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Which spanning-tree mode can be used to map several VLANs to a single spanning-tree instance?

Which spanning-tree mode can be used to map several VLANs to a single spanning-tree instance? A. MST B. PVST+ C. […]

Which type of switch port?

On the Cisco ME 3400 switch, spanning tree is enabled by default on which type of switch port? A. UNI […]

Which protocol to establish peering sessions in an Internet exchange point environment?

ISPs use which protocol to establish peering sessions in an Internet exchange point environment? A. LDP B. IS-IS C. BGP […]

Which single configuration change can you make in router ospf configuration mode so that the Fast Ethernet interfaces have a higher OSPF cost than the Gigabit Ethernet interfaces?

You are enabling OSPF on a router and notice that all the Fast Ethernet and the Gigabit Ethernet interfaces have […]

Which set of commands enables OSPF area 0 on the Gi0/0/0/0 interface that has an IPv4 IP address of 192.168.1.1/24?

On Cisco IOS XR software, which set of commands enables OSPF area 0 on the Gi0/0/0/0 interface that has an […]

A VLAN is a logical grouping of switch ports that belong to which two of these?

A VLAN is a logical grouping of switch ports that belong to which two of these? (Choose two.) A. the […]

Which IPv6 address block is reserved for 6to4 tunneling?

Which IPv6 address block is reserved for 6to4 tunneling? A. 2000::/16 B. 2001::/16 C. 2002::/16 D. 3ffe::/16 E. fe80::/16 Correct […]

When upgrading a Cisco ASR 1001 Router, when is the request platform software package expand file bootflash:image-name command required?

When upgrading a Cisco ASR 1001 Router, when is the request platform software package expand file bootflash:image-name command required? A. […]

Which Cisco router platform supports running either the Cisco IOS or IOS XR operating system?

Which Cisco router platform supports running either the Cisco IOS or IOS XR operating system? A. Cisco CRS B. Cisco […]

Which two IOS and IOS XR configurations are needed?

You want to configure HSRP between a Cisco IOS and a Cisco IOS XR router for the 192.0.2.0/24 subnet. Half […]

Which two of the address-family command options in IS-IS configuration mode are valid?

On Cisco IOS XR software, which two of the address-family command options in IS-IS configuration mode are valid? (Choose two) […]

On Cisco routers, the address-family configuration command in BGP configuration mode is used to enable which BGP feature?

On Cisco routers, the address-family configuration command in BGP configuration mode is used to enable which BGP feature? A. BGP […]

Which additional configuration is required?

Your switch network has been configured to support multiple VLANs. In order for the users on one VLAN to communicate […]

Which table is used by the label switch routers to make forwarding decisions when a labeled packet is received?

Within an MPLS domain, which table is used by the label switch routers to make forwarding decisions when a labeled […]

What is the default commit option?

On Cisco IOS XR software, what is the default commit option? A. best-effort B. psuedo-atomic C. replace D. force Correct […]

When configuring a new VLAN on Cisco IOS switches, which configuration parameter is required?

When configuring a new VLAN on Cisco IOS switches, which configuration parameter is required? A. VLAN name B. native VLAN […]

What is a requirement for performing Cisco IOS ISSU on the Cisco IOS XE-based ASR 1006 and ASR 1013 routers?

What is a requirement for performing Cisco IOS ISSU on the Cisco IOS XE-based ASR 1006 and ASR 1013 routers? […]

When is a route-policy configuration needed on a Cisco IOS XR router using RPL?

When is a route-policy configuration needed on a Cisco IOS XR router using RPL? A. when enabling an IGP routing […]

Which two protocols are most often deployed in Cisco IP NGN multiservices core networks to support services like VPNs?

Which two protocols are most often deployed in Cisco IP NGN multiservices core networks to support services like VPNs? (Choose […]

Which segment protocol provides fast and predictable convergence (typically within 50 ms) in Layer 2 Ethernet ring topologies?

Which segment protocol provides fast and predictable convergence (typically within 50 ms) in Layer 2 Ethernet ring topologies? A. Spanning […]

Which table is used by the ingress edge LSR to make forwarding decisions when an unlabeled IP packet is received?

Within an MPLS domain, which table is used by the ingress edge LSR to make forwarding decisions when an unlabeled […]

Which three statements about access control lists on a Cisco IOS router are true?

Which three statements about access control lists on a Cisco IOS router are true? (Choose three) A. The more specific […]

Which Cisco IOS access list permits HTTP traffic that is sourced from host 10.1.129.100 port 3030 and that is destined to host 192.168.1.10?

Which Cisco IOS access list permits HTTP traffic that is sourced from host 10.1.129.100 port 3030 and that is destined […]

What is dual IOS mode on the Cisco ASR 1001 Router?

What is dual IOS mode on the Cisco ASR 1001 Router? A. redundant IOS processes that are running on the […]

Which Cisco platform runs the Cisco IOS XE operating system?

Which Cisco platform runs the Cisco IOS XE operating system? A. Cisco ASR9K B. Cisco CRS C. Cisco 12000 GSR […]

Which Cisco router platform should the service provider implement as the managed CE device?

Which Cisco router platform should the service provider implement as the managed CE device? A. Cisco ASR1K B. Cisco ISR-G2 […]

What are the four valid address-family configuration command options in static route configuration mode?

On Cisco IOS XR software, what are the four valid address-family configuration command options in static route configuration mode? (Choose […]

Which three statements about service provider network requirements are true?

Which three statements about service provider network requirements are true? (Choose three.) Real 45 Cisco 640-878 Exam A. Service provider […]

Which three are common ISP access network technologies?

Which three are common ISP access network technologies? (Choose three.) A. DSL B. Cable modem C. DWDM D. MPLS E. […]

Which three Cisco platforms are classified as core routers?

Which three Cisco platforms are classified as core routers? (Choose three.) A. Cisco XR 12000 B. Cisco ME 3400 C. […]

Which statement about Cisco IOS XE software is true?

Which statement about Cisco IOS XE software is true? A. It uses a two-stage configuration process. B. It is identical […]

Which three statements about VLAN implementation in a Layer 2 switch environment are true?

Which three statements about VLAN implementation in a Layer 2 switch environment are true? (Choose three.) A. The Cisco IOS […]

Which two statements about the link state routing process are true?

Which two statements about the link state routing process are true? (Choose two.) A. It uses the DUAL algorithm. B. […]

Which two statements about carrier-grade NAT are true?

Which two statements about carrier-grade NAT are true? (Choose two.) A. It conserves IPv4 addresses. Real 49 Cisco 640-878 Exam […]

What are three common problems related to sessions not establishing between iBGP neighbors?

What are three common problems related to sessions not establishing between iBGP neighbors? (Choose three.) A. Incorrect MAC-address configured B. […]

Which three are correct statements based on the BGP configuration below?

Which three are correct statements based on the BGP configuration below? (Choose three.) Router#config t Router(config)#router bgp 1 Router(config-router)#neighbor 1.1.1.1 […]

At which three layers of the OSI model does the problem exist?

A network administrator is troubleshooting an issue whereupon they able to ping the web server, but unable to web browse […]

Which layer of the OSI Model does the problem exist?

A network engineer is trying to determine the mac address of a server attached to a switchport on a Cisco […]

Which type of Service Provider is this?

A company begins offering SIP and PRI trunks to customers. Which type of Service Provider is this? A. Managed Service […]

What layer of the IP NGN Model does the Customer Element and the Carrier Ethernet exist?

What layer of the IP NGN Model does the Customer Element and the Carrier Ethernet exist? A. Service Layer B. […]

Which number range is allocated to private Autonomous Systems by the Internet Assigned Numbers Authority?

Which number range is allocated to private Autonomous Systems by the Internet Assigned Numbers Authority? A. 65535 to 65545 B. […]

Which of the following commands would be used to prevent a switchport from processing Bridge Protocol Data Units?

Which of the following commands would be used to prevent a switchport from processing Bridge Protocol Data Units? A. switch(config)#bpdu […]

Which commands will configure the spanning tree operating mode that can group multiple VLANs in a single domain?

Which commands will configure the spanning tree operating mode that can group multiple VLANs in a single domain? A. switch(config)#spanning-tree […]

What is most likely the problem?

A customer has created a new VLAN for the subnet that was allocated to them. Computers on the subnets can […]

Which command configures a switchport to connect only a host device in VLAN 301?

Which command configures a switchport to connect only a host device in VLAN 301? A. switchport access vlan 301 B. […]

Which two commands are required to configure an access port for both voice VLAN 20 and data VLAN 30?

Which two commands are required to configure an access port for both voice VLAN 20 and data VLAN 30? (Choose […]

What additional two configurations are required to ensure the switch can route packets to the Internet through a gateway with IP address of 209.165.200.250?

A customer has been allocated a new VLAN on a new Layer 3 switch. After configuring the Switched Virtual Interface, […]

What is the purpose of the for PFX to PEER command?

Refer to the partial Cisco IOS-XR configuration. What is the purpose of the for PFX to PEER command? ! mpls […]

What does the command ‘rep admin vlan 100’ accomplish?

What does the command ‘rep admin vlan 100’ accomplish? A. confines flooding of REP messages to VLAN 100 B. reserves […]

What additional command would need to be applied to both sides of the Q-in-Q trunk?

After configuring Q-in-Q on a new interface, the customer has requested that the IOS version and remote model also be […]

What three statements about REP configurations on a Cisco ME 3400 switch port are true?

What three statements about REP configurations on a Cisco ME 3400 switch port are true? (Choose three.) A. The port […]

What configuration is needed in order to add OSPFv3 to the fastethernet0/0 interface?

Refer to the configuration output below. OSPFv2 is already configured on a customer router and the customer is requesting that […]

What is the foundation architecture of Cisco Next Generation Networks?

What is the foundation architecture of Cisco Next Generation Networks? A. IP/MPLS B. IP SLA C. TRILL D. REP Correct […]

What command is required to enable the Label Distribution Protocol on interface GigabitEthernet 0/3/0/0?

Refer to the configuration snippet below. A new IOS-XR router is being added to the network. What command is required […]

Which three are examples of a link-state routing protocols and static routing?

Which three are examples of a link-state routing protocols and static routing? (Choose three.) A. EIGRP B. RIP C. OSPF […]

What are two legitimate IPv4 to IPv6 migration technologies?

What are two legitimate IPv4 to IPv6 migration technologies? (Choose two.) A. Lift and shift B. Dual stack backbones C. […]

What change is needed to ensure that router 1 is the primary IP address?

A customer has installed a second router and copied the configuration from the first router, as shown below. What change […]

Which configuration error within an AS can cause a Cisco IOS XR router to not announce certain prefixes to its EBGP peers?

Which configuration error within an AS can cause a Cisco IOS XR router to not announce certain prefixes to its […]

What command is missing from the access list configuration?

Refer to the configuration snippet below. A network engineer has been tasked with implementing a security policy that prevents subnet […]

Which command is used to review previous configuration events committed on the router?

On Cisco IOS-XR, which command is used to review previous configuration events committed on the router? Real 93 Cisco 640-878 […]

Which Cisco IOS-XR command is used to unpack a package on the local router?

Which Cisco IOS-XR command is used to unpack a package on the local router? A. install boot B. install commit […]

What command will install the image needed on the Cisco IOS-XR if the SSH configuration options are unavailable?

What command will install the image needed on the Cisco IOS-XR if the SSH configuration options are unavailable? A. install […]

What type of package is bootable on the Cisco ASR 1000 router running IOS-XE?

What type of package is bootable on the Cisco ASR 1000 router running IOS-XE? A. boot package Real 94 Cisco […]

What package provides the software for the route processor in the IOS XE Software?

What package provides the software for the route processor in the IOS XE Software? A. RPIOS B. ESPBase C. RPControl […]

What is the advantage of running IOS-XE individual consolidated packages versus subpackages?

What is the advantage of running IOS-XE individual consolidated packages versus subpackages? A. decreases storage requirements B. optimizes router memory […]

What feature of the Cisco ASR series enables service providers and enterprise customers to manage their network performance with respect to bandwidth, delay, jitter, and packet loss?

What feature of the Cisco ASR series enables service providers and enterprise customers to manage their network performance with respect […]

Which IOS Software solution is used for transporting RFC 1918 networks via IPSec + GRE VPNs over the internet?

Which IOS Software solution is used for transporting RFC 1918 networks via IPSec + GRE VPNs over the internet? A. […]

What platform is best placed as the edge device within the Cisco Service Provider Next Generation Network architecture running IOS-XE?

What platform is best placed as the edge device within the Cisco Service Provider Next Generation Network architecture running IOS-XE? […]

Which spanning-tree mode uses the name command to configure a region name?

Which spanning-tree mode uses the name command to configure a region name? A. MST B. PVST+ C. PVRST+ D. RSTP […]

Which procedure is used as the last resort disaster recovery procedure to completely replace the currently installed IOS XR software on Cisco IOS XR routers?

Which procedure is used as the last resort disaster recovery procedure to completely replace the currently installed IOS XR software […]

Which file extension indicates a bootable installation file in Cisco IOS XR software?

Which file extension indicates a bootable installation file in Cisco IOS XR software? A. .bin B. .tar C. .smu D. […]

When configuring an ACL entry, which network and wildcard mask matches only IP addresses 10.8.144.0 to 10.8.151.255?

When configuring an ACL entry, which network and wildcard mask matches only IP addresses 10.8.144.0 to 10.8.151.255? A. 10.8.144.0 0.0.3.255 […]

Which IP addresses are matched by the permit 192.168.80.64 0.0.0.15 access-list entry?

Which IP addresses are matched by the permit 192.168.80.64 0.0.0.15 access-list entry? A. 192.168.80.64 to 192.168.80.255 B. 192.168.80.64 to 192.168.80.96 […]

Which two statements about NAT444 are true?

Which two statements about NAT444 are true? (Choose two.) A. NAT444 packets are translated three times. B. NAT packets traverse […]

Which two statements about NAT64 are true?

Which two statements about NAT64 are true? (Choose two.) A. NAT64 packets traverse two IPv4 addressing domains. B. NAT64 packets […]

What do both Carrier Grade NAT and NAT64 have in common?

What do both Carrier Grade NAT and NAT64 have in common? Real 96 Cisco 640-878 Exam A. both are only […]

Which set of commands enables OSPF area 0 on the Gi0/0/0/0 interface that has an IPv4 IP address of 192.168.1.1/24?

On Cisco IOS XR software, which set of commands enables OSPF area 0 on the Gi0/0/0/0 interface that has an […]

Which BGP attribute is also used for loop prevention?

Which BGP attribute is also used for loop prevention? A. weight B. local preference C. MED D. AS path Correct […]

How is LDP enabled on an interface?

On Cisco IOS XR software, how is LDP enabled on an interface? A. LDP is automatically enabled globally on all […]

Which four statements about REP configurations on a Cisco ME 3400 switch port are true?

Which four statements about REP configurations on a Cisco ME 3400 switch port are true? (Choose four.) A. The port […]

Which first-hop router redundancy protocol uses the active virtual gateway to assign a virtual MAC address to the active virtual forwarders?

Which first-hop router redundancy protocol uses the active virtual gateway to assign a virtual MAC address to the active virtual […]

Which BGP attribute is examined first, to determine the best path to use?

During the BGP route selection process on Cisco routers, which BGP attribute is examined first, to determine the best path […]

Which type of service provider is responsible for offering backbone connectivity services to other service providers?Which type of service provider is responsible for offering backbone connectivity services to other service providers? A. CSP B. TSP C. NSP D. ISP E. ASP

Which type of service provider is responsible for offering backbone connectivity services to other service providers? A. CSP B. TSP […]

Cisco IP NGN service providers can offer multiple services to their customers by using which type of technology in their core networks?

Cisco IP NGN service providers can offer multiple services to their customers by using which type of technology in their […]

The permit 172.16.32.0 0.0.15.255 access-list entry permits exactly which IP address range?

The permit 172.16.32.0 0.0.15.255 access-list entry permits exactly which IP address range? A. 172.16.32.0 to 172.16.47.255 B. 172.16.32.0 to 172.16.48.255 […]

Which four conditions could cause this problem?

You have installed a new router and configured OSPF on it. However, this new router is not able to establish […]

Which statement about the benefits of MPLS PHP is true?

Which statement about the benefits of MPLS PHP is true? Real 18 Cisco 640-878 Exam A. PHP is implemented to […]

Which three statements about OSPFv2 or OSPFv3 authentication are true?

Which three statements about OSPFv2 or OSPFv3 authentication are true? (Choose three.) A. On Cisco IOS XR platforms, OSPFv3 authentication […]

Which statement is true about enabling IS-IS routing and using the net command to configure the NSAP address?

Which statement is true about enabling IS-IS routing and using the net command to configure the NSAP address? A. NSAP […]

What configuration change can you make to cause IS-IS to select the optimal path based on the interface bandwidth?

You have just enabled IS-IS on the lab testing network. You notice that IS-IS is not using the optimal path […]

Which two statements about the BGP weight attribute on Cisco routers are true?

Which two statements about the BGP weight attribute on Cisco routers are true? (Choose two.) A. It is a well-known […]

Which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address?

Given the IP address 10.106.170.145 255.248.0.0, which three options are the subnet that this IP address belongs to, the host […]

Which statement about STP operations is true?

Which statement about STP operations is true? A. One root bridge exists per collision domain. B. One root port is […]

What two commands enable port security and allow the switch to dynamically learn the connected MAC address?

What two commands enable port security and allow the switch to dynamically learn the connected MAC address? (Choose two.) A. […]

Which Cisco IOS CLI command is used to verify the speed and duplex settings on the Fa0/1 port on a Cisco switch?

Which Cisco IOS CLI command is used to verify the speed and duplex settings on the Fa0/1 port on a […]

Which configuration change(s) is/are needed to bring the S7 FastEthernet 0/2 interface into the up/up state?

This show output is from the S7 Cisco Metro Switch and the PE7 Cisco ASR 9000 Series Router. Which configuration […]

Which two statements about spanning-tree operations on this port are true?

If a bridge port is in the non-designated state, which two statements about spanning-tree operations on this port are true? […]

Which three physical lines can provide local or remote access to a Cisco router or switch?

Which three physical lines can provide local or remote access to a Cisco router or switch? (Choose three.) A. Console […]

Which two statements about classful or classless routing protocol operations are true?

Which two statements about classful or classless routing protocol operations are true? (Choose two.) A. Classful routing protocols do not […]

Which Cisco IOS XR command displays information about statically configured routes and their corresponding interface or next-hop?

Which Cisco IOS XR command displays information about statically configured routes and their corresponding interface or next-hop? A. show ipv4 […]

Which Cisco IOS XR command presents a list of all interfaces, their Layer 3 address (if configured), and the status of the interface and protocol?

Which Cisco IOS XR command presents a list of all interfaces, their Layer 3 address (if configured), and the status […]

Which three operations is Admin mode used for?

In Cisco IOS XR, which three operations is Admin mode used for? (Choose three.) A. Secure Domain Router management B. […]

Which Cisco IOS XR CLI command can you use to determine if the firmware on any of the line cards on the Cisco ASR 9000 Series Router needs to be upgraded?

Which Cisco IOS XR CLI command can you use to determine if the firmware on any of the line cards […]

Which purpose is the turboboot procedure used?

On Cisco IOS XR, for which purpose is the turboboot procedure used? A. To boot the router into ROM Monitor […]

Which Cisco IOS XR CLI command displays the running state of each line card (including the fan tray) on the Cisco ASR 9000 Series Router?

Which Cisco IOS XR CLI command displays the running state of each line card (including the fan tray) on the […]

Which three statements about Cisco IOS XR CLI operations are true?

Which three statements about Cisco IOS XR CLI operations are true? (Choose three.) A. Cisco IOS XR uses a three-stage […]

Which two statements about Cisco IOS XE operations are true?

Which two statements about Cisco IOS XE operations are true? (Choose two.) A. Cisco IOS XE uses a two-stage configuration […]

Which Cisco IOS XR command is involved in enabling remote access?

Which Cisco IOS XR command is involved in enabling remote access? A. RP/0/RSP0/CPU0:PE1(config)# router static B. RP/0/RSP0/CPU0:PE1(config)# line console 0 […]

Which command does the network engineer need to input?

A network engineer has configured an interface with various commands including the no shutdown command on an IOS-XR device. Both […]

Which four Cisco IOS configurations are necessary?

You need to enable the “local-router” serial 0/0 connection to the “remote-router” to be authenticated using the “C!sco!23” password. The […]

Which two statements about Packet over SONET are true?

Which two statements about Packet over SONET are true? (Choose two.) A. POS is a Layer 2 technology that uses […]

Which component is integrated into the Cisco IPoDWDM interfaces?

Which component is integrated into the Cisco IPoDWDM interfaces? A. ROADM B. transponder C. electrical cross connect D. E-O-E converter […]

A Passive Optical Network is a point-to-multipoint FTTx network architecture that relies on which of the following?

A Passive Optical Network is a point-to-multipoint FTTx network architecture that relies on which of the following? A. Electrically powered […]

Which two commands can be used to enable LACP when configuring the interfaces for a 40 gigabit etherchannel?

Which two commands can be used to enable LACP when configuring the interfaces for a 40 gigabit etherchannel? (Choose two.) […]

Which feature is used to protect the control plane of the router?

Which feature is used to protect the control plane of the router? A. Port security B. uRPF C. Routing protocol […]

Which statement about SSH is true?

Which statement about SSH is true? A. It is a TCP/IP transport layer protocol. B. It uses TCP port number […]

Which two statements are correct regarding routing protocol authentication?

Which two statements are correct regarding routing protocol authentication? (Choose two.) A. MD5 authentication can only be established between Internal […]

What is a the best way to secure the route processor on a Cisco device?

What is a the best way to secure the route processor on a Cisco device? A. Route processor traffic control […]

Which best describes the relationship between user groups and task groups?

Which best describes the relationship between user groups and task groups? A. User groups include task ID’s that are nested […]

What is the Cisco IOS command that is used to prevent the route of the incoming traffic from an unknown network?

What is the Cisco IOS command that is used to prevent the route of the incoming traffic from an unknown […]

Which three statements about the Cisco IOS XR task-based user authorization method are true?

Which three statements about the Cisco IOS XR task-based user authorization method are true? (Choose three.) A. A user’s association […]

Which three statements about Cisco Discovery Protocol operations on a Cisco ME3400 switch are true?

Which three statements about Cisco Discovery Protocol operations on a Cisco ME3400 switch are true? (Choose three.) A. Cisco Discovery […]

How can IP SLA measurement accuracy be improved and also provide additional statistics?

Currently, a Cisco IOS XR router is configured to send IP SLA probes to a network management station that is […]

Which two statements about Cisco IOS XR NTP configuration are true?

Which two statements about Cisco IOS XR NTP configuration are true? (Choose two.) A. A network device can obtain NTP […]

What is the measurement of the Cisco IP SLA Operation ICMP Pather Jitter?

What is the measurement of the Cisco IP SLA Operation ICMP Pather Jitter? A. Measures delay and jitter on networks […]

Which two commands are required to enter enable mode on a console port without entering a password?

Which two commands are required to enter enable mode on a console port without entering a password? (Choose two.) A. […]

What is the Cisco recommended way to secure SNMPv2 community strings?

What is the Cisco recommended way to secure SNMPv2 community strings? A. Configure complex community string names and avoid using […]

What is the Cisco IOS command to export IPv6 flows to Collector 209.165.200.200/24?

What is the Cisco IOS command to export IPv6 flows to Collector 209.165.200.200/24? A. Switch(config)#ipv6 flow-export destination 209.165.200.200 9996 B. […]

Which layer of the OSI Model does Label Distribution Protocol operate at?

Which layer of the OSI Model does Label Distribution Protocol operate at? A. Data Link B. Transport C. Application D. […]

What is the last usable IP address in this network and what is the subnet mask?

A network engineer has been provided subnet 209.165.202.128/27. What is the last usable IP address in this network and what […]

Which command would configure VLAN 5 as root?

On Switch 5, which command would configure VLAN 5 as root? A. switch5#spanning-tree vlan 5 priority 0 B. switch5(config)#spanning-tree vlan […]

Which EIGRP feature in IOS, IOS-XE, and IOS-XR will prevent the EIGRP process from automatically forming a neighbor adjacency?

Which EIGRP feature in IOS, IOS-XE, and IOS-XR will prevent the EIGRP process from automatically forming a neighbor adjacency? A. […]

What NAT feature will allow all internal devices to share the same NAT IP address?

A Network Engineer configured NAT for external access but one individual at a time can access the external network. What […]

Which command set is required to enable a remote SNMP query on an IOS-XR router?

Which command set is required to enable a remote SNMP query on an IOS-XR router? A. control-planemanagement-planeinbandinterface allallow SNMPcommit B. […]

What is the minimum version of DOCSIS that will support IPv6?

What is the minimum version of DOCSIS that will support IPv6? A. Version 1 B. Version 2 C. Version 3 […]

Which multiplexing technology has minimal impact to production traffic when changes are implemented to a live circuit?

Which multiplexing technology has minimal impact to production traffic when changes are implemented to a live circuit? A. Dark fiber […]

Which keyword did the administrator leave off of the AAA configuration?

A network administrator set-up AAA on a new router. While the TACACS server was down for maintenance, the administrator was […]

Which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address?

Given the IP address 172.16.170.15 255.255.224.0, which three options are the subnet that this IP address belongs to, the host […]

Which three IP addresses are valid for hosts that belong to the 10.152.0.0/13 subnet?

Which three IP addresses are valid for hosts that belong to the 10.152.0.0/13 subnet? (Choose three.) A. 10.152.0.0/13 B. 10.153.0.1/13 […]

Which type of IPv6 address does the ff00::/8 prefix denote?

Which type of IPv6 address does the ff00::/8 prefix denote? A. Local loopback B. Global unicast C. Unique link local […]

Which Layer 2 WAN protocol uses DLCI as the virtual circuit identifier?

Which Layer 2 WAN protocol uses DLCI as the virtual circuit identifier? A. ATM B. PPP C. Frame Relay D. […]

Which pair of mechanisms are often used together to allow dynamic routing over a secured site-to- site VPN tunnel?

Which pair of mechanisms are often used together to allow dynamic routing over a secured site-to- site VPN tunnel? A. […]

Which Cisco router feature allows multiple independent routing table instances to co-exist within the same router at the same time?

Which Cisco router feature allows multiple independent routing table instances to co-exist within the same router at the same time? […]

Which three statements correctly describe DSL-based Internet services for residential users?

Which three statements correctly describe DSL-based Internet services for residential users? (Choose three.) A. Most residential deployments use PPPoE encapsulation […]

Which two applications require the network to have the least amount of jitter, delay, and packet loss?

Which two applications require the network to have the least amount of jitter, delay, and packet loss? (Choose two.) A. […]

What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch?

What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch? A. Multiple spanning tree (mst) […]

Which two statements about transparent bridging operations are true?

Which two statements about transparent bridging operations are true? (Choose two.) A. A bridge builds its MAC address table dynamically […]

When two or more different routes exist to the same destination that have been learned from two different routing protocols, what does a router use to determine the best route?

When two or more different routes exist to the same destination that have been learned from two different routing protocols, […]

Which two statements about NetFlow support on Cisco IOS XR are true?

Which two statements about NetFlow support on Cisco IOS XR are true? (Choose two.) A. Cisco IOS XR supports NetFlow […]

What are the four steps to enable SSH v1 and v2 server on Cisco IOS XR routers?

What are the four steps to enable SSH v1 and v2 server on Cisco IOS XR routers? (Choose four.) A. […]

Which way is the fastest to open S3 and S4 service requests to the Cisco TAC?

Generally, which way is the fastest to open S3 and S4 service requests to the Cisco TAC? A. Use the […]

Which SNMPv2/SNMPv3 operation is not supported in Cisco IOS XR software?

Which SNMPv2/SNMPv3 operation is not supported in Cisco IOS XR software? A. get-bulk B. get-request C. inform D. trap E. […]

What is the result of using the Cisco IOS copy tftp: run command?

What is the result of using the Cisco IOS copy tftp: run command? A. The running configuration on the Cisco […]

What is the SDH equivalent of the SONET STS-12 framing format?

What is the SDH equivalent of the SONET STS-12 framing format? A. SDH STM-1 B. SDH STM-4 C. SDH STM-12 […]

What are the three RFC 1918 IPv4 private address ranges?

What are the three RFC 1918 IPv4 private address ranges? (Choose three.) A. 10.0.0.0 – 10.255.255.255 B. 172.16.0.0 – 172.255.255.255 […]

When is a route in the routing table placed in the “possibly down” state?

With a distance vector routing protocol like RIPv1, when is a route in the routing table placed in the “possibly […]

What is the CIDR block?

Given the CIDR address range of 200.165.160.0 to 200.165.191.255, what is the CIDR block? A. 200.165.160.0/17 B. 200.165.160.0/18 C. 200.165.160.0/19 […]

What is the supernet (CIDR) address that summarizes these four Class B networks?

Given these four Class B networks: 172.104.0.0, 172.105.0.0, 172.106.0.0, 172.107.0.0, what is the supernet (CIDR) address that summarizes these four […]

What does a transparent LAN switch use to build its CAM table?

What does a transparent LAN switch use to build its CAM table? A. BPDU messages exchanged with neighbor bridges B. […]

Which option is enabled by default on Cisco IOS and IOS XE routers?

Which option is enabled by default on Cisco IOS and IOS XE routers? A. IPv6 unicast routing B. IPv4 unicast […]

How many /30 subnets can be derived from a single /27 Class C subnet?

Using VLSM, how many /30 subnets can be derived from a single /27 Class C subnet? A. 1 B. 2 […]

Which port security violation mode results in frames from non-allowed MAC address being dropped, log message created, and SNMP trap sent?

On Cisco IOS Switches, which port security violation mode results in frames from non-allowed MAC address being dropped, log message […]

Which statement about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true?

Which statement about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true? A. Use the negotiation auto command in […]

Which statement about a root bridge in an STP domain is true?

Which statement about a root bridge in an STP domain is true? A. It has the highest root ID in […]

Which Cisco IOS XR command displays traffic counters for an individual interface that is configured on the router?

Which Cisco IOS XR command displays traffic counters for an individual interface that is configured on the router? A. RP/0/RSP0/CPU0:PE1(config)# […]

What is the term that refers to a device that has no Customer Equipment directly connected to it in a Service Provider network?

What is the term that refers to a device that has no Customer Equipment directly connected to it in a […]

What should be your next troubleshooting step?

The PE and CE interfaces are in the UP/UP state. The junior Network Engineer has validated Layer 3 functionality by […]

What are two differences between WAN and LAN?

What are two differences between WAN and LAN? (Choose two.) A. The customer has explicit control of their own WAN. […]

Which of the following correctly pairs the dotted decimal subnet mask with the correct number of binary bits that represent the subnet mask?

Which of the following correctly pairs the dotted decimal subnet mask with the correct number of binary bits that represent […]

What are two benefits of a star network topology?

What are two benefits of a star network topology? (Choose two.) A. Disruption of the entire network is not required […]

Which four options are the basic troubleshooting steps that you should use to troubleshoot this issue?

You are having problems browsing to http://www.cisco.com from your laptop that is running Windows. Your laptop is connected directly to […]

Which statement about IPv6 global unicast addresses is true?

Which statement about IPv6 global unicast addresses is true? A. The first 3 bits is 001. B. The first 4 […]

Which two options are the subnet that this IP address belongs to and the subnet broadcast IP address?

Given the IP address of 209.168.200.155/27, which two options are the subnet that this IP address belongs to and the […]

Which is a valid IPv6 Link Local address?

Which is a valid IPv6 Link Local address? A. FF00::1 B. 224.0.0.5::1 C. FE80::1 D. FE70::1 E. 169.254.0.0/16 Correct Answer: […]

What is the size difference in bits between an IPv4 address and an IPv6 address?

What is the size difference in bits between an IPv4 address and an IPv6 address? A. 128 B. 100 C. […]

Which subnet range will make the most efficient use of the address block for connecting to customer edge devices?

Given the subnet of 209.165.201.0/27, which subnet range will make the most efficient use of the address block for connecting […]

Which loop prevention mechanism provides the fastest reconvergence time after a link failure?

Given a ring topology, which loop prevention mechanism provides the fastest reconvergence time after a link failure? A. Rapid Per-VLAN […]

Which three of the following components must be elected before the Spanning Tree Protocol can converge in a switched LAN?

Which three of the following components must be elected before the Spanning Tree Protocol can converge in a switched LAN? […]

Which three statements about the ARP function are true?

Which three statements about the ARP function are true? (Choose three.) A. ARP is used to determine an IP address. […]

When EIGRP is enabled on Cisco IOS XR, which EIGRP feature is on by default?

When EIGRP is enabled on Cisco IOS XR, which EIGRP feature is on by default? A. no auto-summary B. stub […]

Which routing protocol is compatible with IPv6?

According to RFC 2080, which routing protocol is compatible with IPv6? A. RIPv2 B. OSPF C. RIP-NG D. EIGRPv6 E. […]

Which two protocols could be used during this communication?

The network administrator is using a Windows PC application that is called putty.exe for remote communication to a switch for […]

Which purpose are router solicitation and router advertisement used?

With IPv6, for which purpose are router solicitation and router advertisement used? A. Routing protocol updates B. Routing protocol neighbor […]

What command is required on the customer Switched Virtual Interface (SVI) to allow clients to receive addresses from this server?

A centralized DHCP server has been setup for customer use. What command is required on the customer Switched Virtual Interface […]

Which two statements about IPv4 DHCP operations are true?

Which two statements about IPv4 DHCP operations are true? (Choose two.) A. If the DHCP clients and servers are on […]

What are three features present on both ICMPv4 and ICMPv6?

What are three features present on both ICMPv4 and ICMPv6? (Choose three.) A. Connectivity tests B. Address assignment C. Information […]

Which two commands can be used to speed up the process?

A network administrator issues the who command on a Cisco router, which takes longer than usual to display the results. […]

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On Cisco IOS XR software, which set of commands enables OSPF area 0 on the Gi0/0/0/0 interface that has an IPv4 IP address of 192.168.1.1/24?

A. router ospf 1 network 192.168.1.1 0.0.0.0 area 0 B. router ospf 1 network 192.168.1.1 255.255.255.255 area 0 C. router […]

What do both Carrier Grade NAT and NAT64 have in common?

A. both are only used in carrier networks B. both are used for tunneling IPv6 in an IPv4 network C. […]

What platform is best placed as the edge device within the Cisco Service Provider Next Generation Network architecture running IOS-XE?

A. ASR 9000 B. Catalyst 6509 C. 2921 Router D. C3560G E. Catalyst 7609 Answer: A Section: (none) Explanation Explanation/Reference:

Which IOS Software solution is used for transporting RFC 1918 networks via IPSec + GRE VPNs over the internet?

A. Dynamic Multipoint VPN B. Group Encrypted Transport VPN C. IPS D. URL Filtering Answer: A Section: (none) Explanation Explanation/Reference:

What feature of the Cisco ASR series enables service providers and enterprise customers to manage their network performance with respect to bandwidth, delay, jitter, and packet loss?

A. power over ethernet B. quality of service architecture C. ip sla D. layer 3 capability Answer: B Section: (none) […]

What is the advantage of running IOS-XE individual consolidated packages versus subpackages?

A. decreases storage requirements B. optimizes router memory usage C. simplified installation D. lowers CPU utilization Answer: B Section: (none) […]

What package provides the software for the route processor in the IOS XE Software?

A. RPIOS B. ESPBase C. RPControl D. RPBase E. SIP SPA Answer: D Section: (none) Explanation Explanation/Reference:

What type of package is bootable on the Cisco ASR 1000 router running IOS-XE?

A. boot package B. consolidated package C. sub-package D. supplemental package Answer: B Section: (none) Explanation Explanation/Reference:

What command will install the image needed on the Cisco IOS-XR if the SSH configuration options are unavailable?

A. install activate disk0:c12k-k9sec.pie-4.1.2 B. install activate disk0:c12k-diags.pie-4.1.2 C. install commit disk0:c12k-diags.pie-4.1.2 D. install ssh activate disk0:c12k-k9sec.pie-4.1.2 Answer: A Section: […]

Which Cisco IOS-XR command is used to unpack a package on the local router?

A. install boot B. install commit C. install add D. install package Answer: C Section: (none) Explanation Explanation/Reference:

On Cisco IOS-XR, which command is used to review previous configuration events committed on the router?

A. show configuration history B. show configuration commit changes C. show configuration commit list D. show configuration commit failed Answer: […]

Refer to the configuration snippet below. A network engineer has been tasked with implementing a security policy that prevents subnet 209.165.202.128/27 from accessing web server 209.165.200.224. All users are now unable to access the web server. What command is missing from the access list configuration?

Configuration: switch(config)#access-list 1 deny 209.165.202.128 0.0.0.31 209.165.200.224 switch(config)#interface FastEthernet 0/0 switch(config-if)# ip access-group 1 in A. switch(config-if)#ip access-group 1 out […]

Which configuration error within an AS can cause a Cisco IOS XR router to not announce certain prefixes to its EBGP peers?

A. Some prefixes were mistagged with the no-export BGP community. B. Some prefixes were set with a MED of 0. […]

A customer has installed a second router and copied the configuration from the first router, as shown below. What change is needed to ensure that router 1 is the primary IP address?

Router 1 standby 1 priority 110 standby 1 preempt Router 2 standby 1 priority 120 standby 1 preempt A. decrease […]

What are two legitimate IPv4 to IPv6 migration technologies? (Choose two.)

A. Lift and shift B. Dual stack backbones C. In IPv4 / Out IPv6 D. IPv6 over IPv4 tunneling E. […]

A network engineer configured BGP PE to CE neighbor sessions with the commands shown. What does ’address-family ipv4 vrf vrf-cisco’ from the configuration allow?

A. activates the advertisement of the IPv4 address family B. defines customer’s routing context C. specifies a network and mask […]

A new customer is not receiving routes from the Provider Edge router. What command needs to be added to advertise routes?

A. route-policy (route group) in B. route-policy (route group) out C. route-map (route group) in D. prefix-list (prefix-list) in E. […]

Which three are examples of a link-state routing protocols and static routing? (Choose three.)

A. EIGRP B. RIP C. OSPF D. IS-IS E. IP default-gateway F. ODR G. Proxy Arp Answer: CDE Section: (none) […]

A network engineer implemented these configurations. However, Intermediate System-to- Intermediate System (IS-IS) neighbors are unable to establish. What is the reason for this error?

A. missing router IS-IS x command B. missing IP router IS-IS command C. missing network mask D. missing network statement […]

Refer to the configuration snippet below. A new IOS-XR router is being added to the network. What command is required to enable the Label Distribution Protocol on interface GigabitEthernet 0/3/0/0?

Configuration: mpls ldp router-id 209.165.200.226 A. interface GigabitEthernet0/3/0/0 mpls ldp B. mpls ldp interface GigabitEthernet0/3/0/0 C. interface GigabitEthernet0/3/0/0 ldp enable […]

What is the foundation architecture of Cisco Next Generation Networks?

A. IP/MPLS B. IP SLA C. TRILL D. REP Answer: A Section: (none) Explanation Explanation/Reference:

Refer to the configuration output below. OSPFv2 is already configured on a customer router and the customer is requesting that OSPFv3 be added. What configuration is needed in order to add OSPFv3 to the fastethernet0/0 interface?

Configuration: ipv6 router ospf 1 router-id 209.165.200.227 area 2 nssa interface fastethernet0/0 ip address 2001:DB8:0:7:: A. interface FastEthernet0/0 ipv4 ospf […]

What three statements about REP configurations on a Cisco ME 3400 switch port are true? (Choose three.)

A. The port must be an NNI type and must be in trunk mode. B. The rep segment number command […]

What additional configuration is required to enable inter-VLAN routing for VLANs 10 and 20 on the Cisco ME 3400 switch using the Metro IP Access image?

A. interface Fa0/1 ip address 192.168.10.1 255.255.255.0 ! interface Fa0/2 ip address 192.168.20.1 255.255.255.0 ! B. interface Fa0/1 ip address […]

After configuring Q-in-Q on a new interface, the customer has requested that the IOS version and remote model also be viewable via the trunk. What additional command would need to be applied to both sides of the Q-in-Q trunk?

A. l2protocol-tunnel cdp B. l2protocol-tunnel stp C. l2protocol-tunnel vtp D. l2protocol-tunnel lldp E. l2protocol-tunnel odr Answer: A Section: (none) Explanation […]

What does the command ’rep admin vlan 100’ accomplish?

A. confines flooding of REP messages to VLAN 100 B. reserves REP admin VLAN to 100 so that no REP […]

Refer to the partial Cisco IOS-XR configuration. What is the purpose of the for PFX to PEER command?

! mpls ldp label advertise disable for PFX to PEER ! ! A. To selectively enable LDP peering(s) with specific […]

A customer has been allocated a new VLAN on a new Layer 3 switch. After configuring the Switched Virtual Interface, what additional two configurations are required to ensure the switch can route packets to the Internet through a gateway with IP address of 209.165.200.250? (Choose two.)

A. IP default-gateway 209.165.200.250 B. IP routing C. IP route 0.0.0.0 0.0.0.0 209.165.200.250 D. IP routing 0.0.0.0 0.0.0.0 209.165.200.250 E. […]

Which three commands are required on interface fastethernet 5/6 in order to create a trunk link between another Cisco Catalyst Switch? (Choose three.)

A. no shutdown B. switchport mode trunk C. encapsulation trunk D. switchport trunk encapsulation dot1Q E. switchport trunk enable F. […]

Which two commands are required to configure an access port for both voice VLAN 20 and data VLAN 30? (Choose two.)

A. switchport mode access 30 B. switchport data vlan 30 C. switchport access data 20 D. switchport access data 30 […]

Which command configures a switchport to connect only a host device in VLAN 301?

A. switchport access vlan 301 B. switchport mode trunk vlan 301 C. switchport mode access vlan 301 D. switchport vlan […]

A customer has created a new VLAN for the subnet that was allocated to them. Computers on the subnets can ping their default gateway, but they cannot ping devices in the other subnet. What is most likely the problem?

A. Firewall on the Provider Edge is blocking access B. InterVLAN routing is not configured C. BGP has not been […]

Which commands will configure the spanning tree operating mode that can group multiple VLANs in a single domain?

A. switch(config)#spanning-tree mode pvst B. switch(config)#spanning-tree mode rstp C. switch(config)#spanning-tree mode rapid-pvst D. switch(config)#spanning-tree mode mst E. switch(config)#spanning-tree mode mst-plus […]

Which of the following commands would be used to prevent a switchport from processing Bridge Protocol Data Units?

A. switch(config)#bpdu filter enable B. switch(config)#no bpdu enable C. switch(config-if)#spanning-tree bpdufilter enable D. switch(config-if)#no spanning-tree bpdu filter enable E. switch(config-if)#spanning-tree […]

Which number range is allocated to private Autonomous Systems by the Internet Assigned Numbers Authority?

A. 65535 to 65545 B. 64535 to 64536 C. 64512 to 65535 D. 65535 to 66001 E. 63512 to 64535 […]

What layer of the IP NGN Model does the Customer Element and the Carrier Ethernet exist?

A. Service Layer B. Network Layer C. Application Layer D. Operational Layer Answer: B Section: (none) Explanation Explanation/Reference:

A company begins offering SIP and PRI trunks to customers. Which type of Service Provider is this?

A. Managed Service Provider B. Internet Service Provider C. Telecommunications Service Provider D. Distributed Networking Service Provider Answer: C Section: […]

A network engineer is trying to determine the mac address of a server attached to a switchport on a Cisco Catalyst 6500 Switch. The interface is connected, but no MAC address is present. The server has an IP address of 169.x.x.x. At which layer of the OSI Model does the problem exist?

A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 E. Layer 5 F. Layer 6 G. Layer […]

A network administrator is troubleshooting an issue whereupon they able to ping the web server, but unable to web browse to the same web server. When the administrator telnets to the webserver on port 80, the administrator gets a connection refused message. At which three layers of the OSI model does the problem exist? (Choose three.)

A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 E. Layer 5 F. Layer 6 G. Layer […]

Which three are correct statements based on the BGP configuration below? (Choose three.)

Router#config t Router(config)#router bgp 1 Router(config-router)#neighbor 1.1.1.1 remote-as 1 Router(config-router)#neighbor 3.3.3.3 remote-as 2 A. local AS is 1 B. local […]

What are three common problems related to sessions not establishing between iBGP neighbors? (Choose three.)

A. Incorrect MAC-address configured B. Unable to reach IP C. Network is not configured under router bgp x configuration D. […]

Which two statements about carrier-grade NAT are true? (Choose two.)

A. It conserves IPv4 addresses. B. A service provider issues private IP addresses to its customers. C. A service provider […]

Which two statements about the link state routing process are true? (Choose two.)

A. It uses the DUAL algorithm. B. It uses metrics such as AS path. C. All routers in the area […]

Which three statements about VLAN implementation in a Layer 2 switch environment are true? (Choose three.)

A. The Cisco IOS switchport access vlan interface configuration command is used to configure the native VLAN on the switch […]

Which statement about Cisco IOS XE software is true?

A. It uses a two-stage configuration process. B. It is identical in look and feel to Cisco IOS software. C. […]

Which three Cisco platforms are classified as core routers? (Choose three.)

A. Cisco XR 12000 B. Cisco ME 3400 C. Cisco ASR 1006 D. Cisco CRS-3 E. Cisco ASR 9010 F. […]

Which three are common ISP access network technologies? (Choose three.)

A. DSL B. Cable modem C. DWDM D. MPLS E. PON F. MP-BGP Answer: ABE Section: (none) Explanation Explanation/Reference: Explanation/Reference: […]

Which three statements about service provider network requirements are true? (Choose three.)

A. Service provider networks are becoming more specialized, with providers offering only one service. B. Service providers connect customers to […]

On Cisco IOS XR software, what are the four valid address-family configuration command options in static route configuration mode? (Choose four.)

A. address-family ipv4 unicast B. address-family ipv6 unicast C. address-family ipv4 multicast D. address-family ipv6 multicast E. address-family vpnv4 F. […]

A service provider needs to implement a managed CE device that supports Cisco IOS ISSU, and the current CE support staff is highly trained in Cisco IOS only. Which Cisco router platform should the service provider implement as the managed CE device?

A. Cisco ASR1K B. Cisco ISR-G2 C. Cisco ASR9K D. Cisco 12000 GSR E. Cisco 7200 F. Cisco 7600 Answer: […]

Which Cisco platform runs the Cisco IOS XE operating system?

A. Cisco ASR9K B. Cisco CRS C. Cisco 12000 GSR D. Cisco ASR1K E. Cisco ME 3400 F. Cisco ISR-G2 […]

What is dual IOS mode on the Cisco ASR 1001 Router?

A. redundant IOS processes that are running on the active RP and standby RP B. active and standby IOS processes […]

Which Cisco IOS access list permits HTTP traffic that is sourced from host 10.1.129.100 port 3030 and that is destined to host 192.168.1.10?

A. access-list 101 permit tcp any eq 3030 B. access-list 101 permit tcp 10.1.128.0 0.0.1.255 eq 3030 192.168.1.0 0.0.0.15 eq […]

Which three statements about access control lists on a Cisco IOS router are true? (Choose three)

A. The more specific ACL entries should be placed at the top of the ACL. B. The generic ACL entries […]

Within an MPLS domain, which table is used by the ingress edge LSR to make forwarding decisions when an unlabeled IP packet is received?

A. FIB B. LFIB C. LIB D. MP-BGP E. VRF Answer: A Section: (none) Explanation Explanation/Reference: Explanation/Reference:

Which segment protocol provides fast and predictable convergence (typically within 50 ms) in Layer 2 Ethernet ring topologies?

A. Spanning Tree Protocol B. Flex Links C. Resilient Ethernet Protocol D. Spatial Reuse Protocol E. Resilient Packet Ring Answer: […]

Which two protocols are most often deployed in Cisco IP NGN multiservices core networks to support services like VPNs? (Choose two.)

A. MPLS B. GRE C. mGRE D. SSL E. VTI F. multiprotocol BGP Answer: AF Section: (none) Explanation Explanation/Reference:

When is a route-policy configuration needed on a Cisco IOS XR router using RPL?

A. when enabling an IGP routing protocol configuration B. when enabling an EBGP peering configuration C. when enabling an IBGP […]

What is a requirement for performing Cisco IOS ISSU on the Cisco IOS XE-based ASR 1006 and ASR 1013 routers?

A. must use consolidated package mode B. must use subpackage mode C. must have redundant RPs D. must have owner […]

When configuring a new VLAN on Cisco IOS switches, which configuration parameter is required?

A. VLAN name B. native VLAN ID C. VLAN ID D. VLAN map E. VLAN MTU Answer: C Section: (none) […]

On Cisco IOS XR software, what is the default commit option?

A. best-effort B. psuedo-atomic C. replace D. force Answer: B Section: (none) Explanation Explanation/Reference: Explanation/Reference:

Within an MPLS domain, which table is used by the label switch routers to make forwarding decisions when a labeled packet is received?

A. FIB B. RIB C. LFIB D. LIB E. CEF Answer: C Section: (none) Explanation Explanation/Reference: Explanation/Reference: https://www.cisco.com/en/US/docs/ios-xml/ios/mp_ldp/configuration/12-4m/mp-ldp-12-4m- book.pdf

Your switch network has been configured to support multiple VLANs. In order for the users on one VLAN to communicate with users on another VLAN, which additional configuration is required?

A. Enable a routing protocol like EIGRP on a router or on a Layer 3 capable switch B. Enable inter-VLAN […]

On Cisco routers, the address-family configuration command in BGP configuration mode is used to enable which BGP feature?

A. BGP route policy B. multiprotocol BGP C. BGP policy accounting D. BGP communities Answer: B Section: (none) Explanation Explanation/Reference:

On Cisco IOS XR software, which two of the address-family command options in IS-IS configuration mode are valid? (Choose two)

A. address-family clns B. address-family ipv4 unicast C. address-family ipv6 unicast D. address-family vpnv4 E. address-family vpnv6 Answer: BC Section: […]

You want to configure HSRP between a Cisco IOS and a Cisco IOS XR router for the 192.0.2.0/24 subnet. Half of the PCs on the 192.0.2.0/24 subnet are configured to use 192.0.2.1 as the default gateway, and the other half of the PCs are configured to use 192.0.2.254 as the default gateway. The intent is to load balance the traffic across both routers. Which two IOS and IOS XR configurations are needed? (Choose two.)

A. ! IOS-XR interface GigabitEthernet 0/0/0/0 ip address 192.0.2.3 255.255.255.0 router hsrp interface GigabitEthernet 0/0/0/0 hsrp 1 ipv4 192.0.2.1 hsrp […]

Which Cisco router platform supports running either the Cisco IOS or IOS XR operating system?

A. Cisco CRS B. Cisco ASR9k C. Cisco ASR1K D. Cisco ISR-G2 E. Cisco 12000 GSR Answer: E Section: (none) […]

When upgrading a Cisco ASR 1001 Router, when is the request platform software package expand file bootflash:image-name command required?

A. to copy the consolidated Cisco IOS XE image to the bootflash: B. to perform Cisco IOS ISSU on the […]

Which IPv6 address block is reserved for 6to4 tunneling?

A. 2000::/16 B. 2001::/16 C. 2002::/16 D. 3ffe::/16 E. fe80::/16 Answer: C Section: (none) Explanation Explanation/Reference: Explanation/Reference: https://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-tunnel.html#wp1055738 Prerequisites With […]

Which two interface configuration commands on the Cisco ME 3400-1 switch Fa 0/1 interface are required to support the VLANs for Customer A to be trunked across the service provider network? (Choose two.)

A. switchport access vlan 30 B. switchport mode trunk C. switchport mode dot1q-tunnel D. switchport trunk allowed vlan 1-100 Answer: […]

What additional configurations are required to enable inter-VLAN routing for VLANs 10 and 20 on the Cisco ME 3400 switch using the metro IP access image?

A. interface Fa0/1 ip address 192.168.10.1 255.255.255.0 ! interface Fa0/2 ip address 192.168.20.1 255.255.255.0 ! B. interface Fa0/1 ip address […]

A VLAN is a logical grouping of switch ports that belong to which two of these? (Choose two.)

A. the same virtual switch cluster B. the same IP subnet C. the same collision domain D. the same broadcast […]

Which four statements about REP configurations on a Cisco ME 3400 switch port are true? (Choose four.)

A. The port must be an NNI type and must be in trunk mode. B. Use the rep segment number […]

On Cisco IOS XR software, how is LDP enabled on an interface?

A. LDP is automatically enabled globally on all interfaces, when ip cef is enabled globally. B. LDP is enabled on […]

Which three statements about MPLS LDP operations are true?

A. The incoming label for 10.2.10.1/32 is 16010 (which is allocated by the local router), and the outgoing label is […]

Which statement about the benefits of MPLS PHP is true?

A. PHP is implemented to increase the performance on the egress edge LSR. PHP allows the egress edge LSR to […]

You have installed a new router and configured OSPF on it. However, this new router is not able to establish an OSPF neighbor relationship with the neighbor OSPF router. Which four conditions could cause this problem? (Choose four.)

A. mismatched OSPF hello/dead interval between the new router and the neighbor router B. mismatched OSPF area ID between the […]

You have just enabled IS-IS on the lab testing network. You notice that IS-IS is not using the optimal path selection based on the interface bandwidth. Currently, the IS-IS routing process seems to be selecting the best path based on the hop count. What configuration change can you make to cause IS-IS to select the optimal path based on the interface bandwidth?

A. Enable a wide-style IS-IS metric. B. Enable a narrow-style IS-IS metric. C. Change the default auto-cost reference bandwidth to […]

Which statement is true about enabling IS-IS routing and using the net command to configure the NSAP address?

A. NSAP addresses have a fixed size of 20 bytes. B. The NSEL must always be 00 to identify the […]

Which three statements about OSPFv2 or OSPFv3 authentication are true? (Choose three.)

A. On Cisco IOS XR platforms, OSPFv3 authentication can be configured at the OSPF routing process, area, or interface level. […]

On Cisco IOS XR software, which set of commands enables OSPF area 0 on the Gi0/0/0/0 interface that has an IPv4 IP address of 192.168.1.1/24?

A. router ospf 1 network 192.168.1.1 0.0.0.0 area 0 B. router ospf 1 network 192.168.1.1 255.255.255.255 area 0 C. router […]

You are enabling OSPF on a router and notice that all the Fast Ethernet and the Gigabit Ethernet interfaces have the same OSPF cost of 1. Which single configuration change can you make in router ospf configuration mode so that the Fast Ethernet interfaces have a higher OSPF cost than the Gigabit Ethernet interfaces?

A. Change the OSPF interface cost globally. B. Change the OSPF default metric. C. Change the OSPF auto-cost reference bandwidth. […]

ISPs use which protocol to establish peering sessions in an Internet exchange point environment?

A. LDP B. IS-IS C. BGP D. OSPF Answer: C Section: (none) Explanation Explanation/Reference:

Cisco IP NGN service providers can offer multiple services to their customers by using which type of technology in their core networks?

A. ATM B. SONET/SDH C. Frame Relay D. IP/MPLS E. PBB Answer: D Section: (none) Explanation Explanation/Reference:

Which type of service provider is responsible for offering backbone connectivity services to other service providers?

A. CSP B. TSP C. NSP D. ISP E. ASP Answer: C Section: (none) Explanation Explanation/Reference: Explanation/Reference: https://www.cisco.com/web/about/ac79/docs/wp/sp/Service_Providers_as_Cloud_Providers_IBS G.pdf

During the BGP route selection process on Cisco routers, which BGP attribute is examined first, to determine the best path to use?

A. AS path B. MED C. local preference D. weight E. origin Answer: D Section: (none) Explanation Explanation/Reference:

The router administrator is trying to activate a software package on the router but is not able to do so. Which statement about this problem is true?

A. The router needs to be in the global configuration mode. B. The router needs to be in the admin […]

On the Cisco ME 3400 switch, spanning tree is enabled by default on which type of switch port?

A. UNI B. ENI C. NNI D. ENI and NNI E. UNI, ENI, and NNI Answer: C Section: (none) Explanation […]

The permit 172.16.32.0 0.0.15.255 access-list entry permits exactly which IP address range?

A. 172.16.32.0 to 172.16.47.255 B. 172.16.32.0 to 172.16.48.255 C. 172.16.32.0 to 172.16.62.255 D. 172.16.32.0 to 172.16.63.255 E. 172.16.32.0 to 172.16.64.255 […]

Which BGP attribute is also used for loop prevention?

A. weight B. local preference C. MED D. AS path Answer: D Section: (none) Explanation Explanation/Reference: Explanation/Reference: As RFC 4271 […]

Which two statements about the BGP weight attribute on Cisco routers are true? (Choose two.)

A. It is a well-known discretionary attribute. B. It is only locally significant. C. Routes with higher weight are the […]

Which first-hop router redundancy protocol uses the active virtual gateway to assign a virtual MAC address to the active virtual forwarders?

A. HSRP B. VRRP C. GLBP D. FHRP Answer: C Section: (none) Explanation Explanation/Reference: Explanation/Reference: https://www.cisco.com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ft_glbp.html

The access list has been configured on the Gi0/0/0/0 interface in the inbound direction. Which two packets that are sourced from 172.16.1.1 TCP port 1050, if they are routed to the Gi0/0/0/0 interface, will be permitted? (Choose two)

A. destination IP address: 10.10.192.201, destination TCP port: 80 B. destination IP address: 10.10.193.255, destination TCP port: 80 C. destination […]

Which two statements about NAT64 are true? (Choose two.)

A. NAT64 packets traverse two IPv4 addressing domains. B. NAT64 packets are translated two times. C. There are two types […]

The access list has been configured on the Gi0/0/0/0 interface in the inbound direction. Which four packets that are sourced from 10.1.1.1 TCP port 1060, if they are routed to the Gi0/0/0/0 interface, will be permitted? (Choose four)

A. destination IP address: 192.168.15.37, destination TCP port: 8080 B. destination IP address: 192.168.15.41, destination TCP port: 8080 C. destination […]

Which two statements about NAT444 are true? (Choose two.)

A. NAT444 packets are translated three times. B. NAT packets traverse three IPv4 addressing domains. C. NAT444 needs to work […]

Which IP addresses are matched by the permit 192.168.80.64 0.0.0.15 access-list entry?

A. 192.168.80.64 to 192.168.80.255 B. 192.168.80.64 to 192.168.80.96 C. 192.168.80.64 to 192.168.80.95 D. 192.168.80.64 to 192.168.80.80 E. 192.168.80.64 to 192.168.80.79 […]

When configuring an ACL entry, which network and wildcard mask matches only IP addresses 10.8.144.0 to 10.8.151.255?

A. 10.8.144.0 0.0.3.255 B. 10.8.144.0 0.0.7.255 C. 10.8.144.0 0.0.15.255 D. 10.8.144.0 0.0.252.255 E. 10.8.144.0 0.0.248.255 F. 10.8.144.0 0.0.240.255 Answer: B […]

Which file extension indicates a bootable installation file in Cisco IOS XR software?

A. .bin B. .tar C. .smu D. .pie E. .vm F. .mini Answer: E Section: (none) Explanation Explanation/Reference: Explanation/Reference:

Which procedure is used as the last resort disaster recovery procedure to completely replace the currently installed IOS XR software on Cisco IOS XR routers?

A. netboot B. turboboot C. install recovery D. install rollback E. install add and install activate Answer: B Section: (none) […]

Which spanning-tree mode uses the name command to configure a region name?

A. MST B. PVST+ C. PVRST+ D. RSTP Answer: A Section: (none) Explanation Explanation/Reference:

Which spanning-tree mode can be used to map several VLANs to a single spanning-tree instance?

A. MST B. PVST+ C. PVRST+ D. RSTP Answer: A Section: (none) Explanation Explanation/Reference:

Which are the two benefits of the star network topology over the bus network topology? (Choose two.)

A. Disruption of the entire network is not required when adding new machines. B. Any problem which leaves the network […]

In a ring topology network using only Cisco Catalyst 4500 and Cisco Catalyst 6500 devices and Ethernet as Layer 2 technology, which loop prevention mechanism provides the fastest convergence time in an event of link failure?

A. Rapid Per-VLAN Spanning Tree Protocol B. Resilient Ethernet Protocol C. Multiple Spanning Tree Protocol D. Spanning Tree Protocol Answer: […]

If a severity 1 problem is unresolved in four hours, the problem is escalated to which person?

A. the TAC director B. the TAC manager C. the TAC duty manager D. the Vice President of Technical Services […]

You install third-party monitoring software on a server that has an IP address of 10.10.1.3. The monitoring software supports SNMPv1 and SNMPv2. You want to configure a router to allow SNMP access from the monitoring software by using the community string of Community1. The configuration must be as secure as possible. Which commands should you use?

A. access-list 10 permit 10.10.1.3 snmp-server community Community1 RO 10 B. snmp-server host 10.10.1.3 snmp-server community Community1 RW 10 C. […]

Which command can you use to reduce the amount of time that is required to flush inactive entries from the CDP table?

A. cdp holdtime B. clear cdp table C. cdp advertise-v2 D. cdp timer Answer: A Section: Mix Questions Explanation Explanation/Reference:

You need to set an SLA that pings a neighbor IP every 10 seconds with a timeout of 1000 ms. Which set of commands should you use?

A. (config)#ip sla 5 (config-ip-sla)#icmp-echo 10.0.0.1 (config-ip-sla-icmp)#frequency 10000 (config-ip-sla-icmp)#timeout 1000 B. (config)#ip sla 5 (config-ip-sla)#icmp-echo 10.0.0.1 (config-ip-sla-echo)#frequency 10 (config-ip-sla-echo)#timeout 1000 […]

You have a router that is configured as an NTP server. Which command should you use on the router to allow NTP queries only from hosts that are permitted in access list 10?

A. ntp access-group peer 10 B. ntp access-group serve 10 C. ntp access-group serve-only 10 D. ntp access-group query-only 10 […]

You are informed by your ISP that your network participated in a DDoS attack, which sent spoofed IP packets. The ISP was able to block the packets. To prevent similar attacks, which feature should you use?

A. Unicast Reverse Path Forwarding B. broadcast storm control C. directed broadcasts D. dynamic routing protocols Answer: A Section: Mix […]

You want to successfully authenticate to a neighboring router that has authentication type 2 configured for OSPF Area 0. Which two commands should you use?(Choose two.)

A. Inside OSPF mode, configure area 0 authentication message-digest. B. Inside interface mode, configure ip ospf message-digest-key 1 md5. C. […]

You want to configure RADIUS authentication for users who connect by using the SSH protocol. If the RADIUS server is unreachable, the users that are defined in the running configuration should be used. Which additional command should you use?

A. aaa authentication ssh group radius backup config B. aaa authentication ssh group radius backup current C. aaa authentication list […]

To log in successfully to the console port, what information should you enter?

A. SecretPa$$word B. EnabLe C. admin for the username and ThisIsVerySecretPassword for the password D. CIsc0 Answer: A Section: Mix […]

Which mode prevents the counter track from being incremented when a security violation occurs?

A. shutdown B. restrict C. protect D. guard Answer: C Section: Mix Questions Explanation Explanation/Reference:

All physical interfaces are up. What change must you make to ensure that Multilink PPP functions?

A. Configure no ppp authentication chap for serial 1/3. B. Configure ppp multilink group 1 for serial 1/1 and serial […]

Which two features are used on CE devices in Metro Ethernet? (Choose two.)

A. encryption B. MPLS C. packet filtering D. Xconnect Answer: BD Section: Mix Questions Explanation Explanation/Reference

A technician connects a Cisco ASR 9001 Router with a 40 Gigabit Ethernet modular port adapter to an older model Cisco switch through a transceiver. The older Cisco switch has interfaces that only support up to 100-Mb half-duplex. What should you tell the technician about this configuration?

A. The devices are unable to communicate. B. On the older model Cisco switch, set the speed to “auto,” so […]

Which three Cisco platforms support IPoDWDM? (Choose three.)

A. Cisco ASR 1000 Series B. Cisco ASR 9000 Series C. Cisco CRS-1 D. Cisco ISR G2 Series E. Cisco […]

Which two architectures are part of the FTTx group of technologies? (Choose two.)

A. Fiber-to-the-Building B. Fiber-to-the-Cabinet C. Fiber-to-the-Telecom-Enclosure D. Fiber-to-the-Home E. Fiber-to-the-Zone Answer: AD Section: Mix Questions Explanation Explanation/Reference:

A BNG device can implement which three functions? (Choose three.)

A. authentication, authorization, and accounting B. security and policy management C. DHCP server D. DHCP relay E. call management F. […]

DOCSIS architecture includes which two primary components? (Choose two.)

A. a DSL modem B. a cable modem C. CMTS D. UMTS E. an IP PBX Answer: BC Section: Mix […]

A Cisco IOS Router has the configuration that is shown in the exhibit. The Cisco IOS Router is replaced by a Cisco IOS XR device. To duplicate the IPv6 EIGRP parameters of the Cisco IOS Router, which configuration should you use on the Cisco IOS XR device?

A. interface Loopback 0 ipv6 address 2001:db8:aaaa::1/128 ! interface gigabitEthernet 1/0/1 ipv6 enable ipv6 address 2001:db8:bbbb::1/64 ! router eigrp 100 […]

In IPv6, which kind of record is used for reverse lookups?

A. nibble B. AAAA C. PTR D. APL Answer: C Section: Mix Questions Explanation Explanation/Reference

Which type of ICMP message is generated when a datagram is discarded because the TTL reaches a value of 0?

A. Type 0 (Echo Reply) B. Type 12 (Parameter Problem) C. Type 11 (Time Exceeded) D. Type 16 (Information Reply) […]

How many IP addresses does Router1 have that are available for DHCP clients?

A. 100 B. 99 C. 254 D. 199 Answer: B Section: Mix Questions Explanation Explanation/Reference:

You plan to configure NAT by using these guidelines:

Implement NAT for the inside network 192.168.1.0/128 to the range of 209.165.201.1 to 209.165.201.5/128. Create a static association for the […]

Which statement about VRFs is true?

A. One interface can be a member of multiple VRFs. B. Each VRF has its own routing table, but it […]

Two routers are named R1 and R2. R1 runs Cisco IOS Software. R2 runs Cisco IOS XR Software. To form an EIGRP IPv6 adjacency between the two routers, which three configurations must you add? (Choose three.)

A. On R1, configure router-id with an IPv4 address. B. On R1, configure router-id with an IPv6 address. C. On […]

You configure a network to use IPv6, and you use RIPng as the routing protocol. What is the maximum hop count to use to install a route in the routing table?

A. 15 B. 16 C. 255 D. 65535 Answer: A Section: Mix Questions Explanation Explanation/Reference:

Two sites each have a different ASN. Which method do you use to share routing information between the sites?

A. EIGRP B. IGP C. static routing D. OSPFv3 E. BGP Answer: E Section: Mix Questions Explanation Explanation/Reference:

Both ComputerA and Server1 have gigabit interface cards. Switch1 and Switch2 are both Cisco Catalyst 2960 Series Switches. The EtherChannel link between the switches is fully operational. The switches use src-dst-mac load-balancing mode. What is the theoretical maximum bandwidth that is available for copying files from ComputerA to Server1 by using FTP?

A. 1 Gbps B. 200 Mbps C. 100 Mbps D. 400 Mbps Answer: C Section: Mix Questions Explanation Explanation/Reference:

ServerA successfully connects to Router1, but it fails to ping SwitchX. Which action enables ServerA to ping SwitchX?

A. Set the default gateway on ServerA to 10.10.1.1. B. Enter the command no shutdown on the Vlan1 interface of […]

Which three statements about Ethernet frames are true? (Choose three.)

A. Every frame starts with a preamble. B. FCS is used to recover single-bit errors. C. The source address is […]

Which two IP addresses can be assigned to hosts? (Choose two.)

A. 192.168.1.255/23 B. 192.168.1.255/22 C. 172.16.28.7/29 D. 224.0.250.1/24 E. 10.192.225.225/27 Answer: BE Section: Mix Questions Explanation Explanation/Reference:

You are configuring manual route summarization in EIGRP. Which two networks are summarized into 10.134.17.64/27? (Choose two.)

A. 10.134.17.64 255.255.255.240 B. 10.134.17.100/30 C. 10.134.17.0 255.255.255.128 D. 10.134.17.92/30 Answer: AD Section: Mix Questions Explanation Explanation/Reference:

Which command assigns an IP address to the Loopback1 interface on a Cisco IOS Router?

A. ip address 192.168.41.111 255.255.255.240 B. set ip 127.0.0.1/32 C. ip address 127.0.0.1 255.255.255.0 D. ip address 169.254.47.81 255.255.0.0 Answer: […]

You plan to implement QoS on a network, using these four classes:

A class for real-time applications A class for interactive applications A class for batch applications A scavenger class Which two […]

You have a LAN that has three computers. The computers are connected by a switch. The computers are in the 192.168.1.0/24 network. Which network device enables you to connect the LAN to the Internet?

A. a switch B. a hub C. a router D. a DSL modem in bridge mode Answer: C Section: Mix […]

You are designing a network in accordance with the hierarchical network design model. The distribution layer provides which three functionalities? (Choose three.)

A. workgroup segmentation B. high-speed switching C. connectivity to workstations D. policy-based connectivity E. WAN connection aggregation at the edge […]

Company policy only allows SSH for remote access into Cisco routers. Which configuration would only allow SSH?

A. access-lists 101 deny tcp any eq telnet B. transport input SSH C. access-class 101 in D. access-class 101 out […]

Which three are features present on both ICMPv4 and ICMPv6? (Choose three.)

A. connectivity tests B. address assignment C. information error messaging D. address resolution E. mobile IPv4 support F. multicast group […]

Customer A site 1 is reporting to the service provider that they cannot reach Customer A site 2 networks. What is the root cause of this issue?

A. one of the PE routers is adding summarization incorrectly B. incorrect network statement C. ospf area-id configured incorrectly D. […]

Which subnetwork mask should be used in a point-to-point link in order to use IPv4 address block more efficiently?

A. 209.165.201.0/32 B. 209.165.201.0/31 C. 209.165.201.0/30 D. 209.165.201.0/29 E. 209.165.201.0/24 Answer: B Section: Mix Questions Explanation Explanation/Reference

At what layer of the OSI model is the Label Distribution Protocol present?

A. data link B. transport C. application D. presentation E. session Answer: A Section: Mix Questions Explanation Explanation/Reference:

The link between RT1 and RT2 requires an authentication to be enabled using encrypted password. Which four Cisco IOS commands are necessary to be applied on RT1? (Choose four.)

A. hostname RT1 B. int s0/0 encap hdlc C. int s0/0 encap ppp D. int s0/0 ppp authentication pap E. […]

Which Cisco IOS XR command displays traffic counters for an individual interface that is configured on the router?

A. RP/0/RSP0/CPU0:PE1(config)# show bundle B. RP/0/RSP0/CPU0:PE1# show interfaces GigabitEthernet 0/0/0/1 C. RP/0/RSP0/CPU0:PE1# show controllers GigabitEthernet 0/0/0/1 D. RP/0/RSP0/CPU0:PE1(admin)# show platform […]

Which statement about a root bridge in an STP domain is true?

A. It has the highest root ID in the STP domain. B. It has the lowest bridge ID in the […]

Which statement about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true?

A. Use the negotiation auto command in interface configuration mode to enable link auto-negotiation to ensure that devices that share […]

On Cisco IOS Switches, which port security violation mode results in frames from non-allowed MAC address being dropped, log message created, and SNMP trap sent?

A. Protect B. Restrict C. Shutdown D. Err-disabled E. Log Answer: B Section: Mix Questions Explanation Explanation/Reference:

Using VLSM, how many /30 subnets can be derived from a single /27 Class C subnet?

A. 1 B. 2 C. 4 D. 8 E. 12 F. 16 Answer: D Section: Mix Questions Explanation Explanation/Reference:

Which option is enabled by default on Cisco IOS and IOS XE routers?

A. IPv6 unicast routing B. IPv4 unicast routing C. IPv6 and IPv4 unicast routing D. SSH server E. HTTP server […]

Using a single Class C network of 192.168.1.0/24 and VLSM, which two options specify the number of subnets that are needed to support this network and what are the minimum sizes of the required subnets? (Choose two.)

A. 4 subnets B. 6 subnets C. 8 subnets D. 26 subnets E. 28 subnets F. Two /30 subnets + […]

What does a transparent LAN switch use to build its CAM table?

A. BPDU messages exchanged with neighbor bridges B. STP messages exchanged with neighbor bridges C. Dynamic routing protocol updates from […]

Given these four Class B networks: 172.104.0.0, 172.105.0.0, 172.106.0.0, 172.107.0.0, what is the supernet (CIDR) address that summarizes these four Class B networks?

A. 172.104.0.0/12 B. 172.104.0.0/13 C. 172.104.0.0/14 D. 172.104.0.0/15 Answer: C Section: Mix Questions Explanation Explanation/Reference:

Given the CIDR address range of 200.165.160.0 to 200.165.191.255, what is the CIDR block?

A. 200.165.160.0/17 B. 200.165.160.0/18 C. 200.165.160.0/19 D. 200.165.160.0/20 E. 200.165.160.0/21 Answer: C Section: Mix Questions Explanation Explanation/Reference:

With a distance vector routing protocol like RIPv1, when is a route in the routing table placed in the “possibly down” state?

A. When a router receives an update from its neighbor router about a network in its routing table but with […]

What are the three RFC 1918 IPv4 private address ranges? (Choose three.)

A. 10.0.0.0 – 10.255.255.255 B. 172.16.0.0 – 172.255.255.255 C. 172.16.0.0 – 172.31.255.255 D. 192.168.0.0 – 192.168.31.255 E. 192.168.0.0 – 192.168.255.255 […]

What is the SDH equivalent of the SONET STS-12 framing format?

A. SDH STM-1 B. SDH STM-4 C. SDH STM-12 D. SDH STM-16 E. SDH STM-64 Answer: B Section: Mix Questions […]

What is the result of using the Cisco IOS copy tftp: run command?

A. The running configuration on the Cisco IOS device is backed up to the TFTP server. B. Only new configuration […]

Which SNMPv2/SNMPv3 operation is not supported in Cisco IOS XR software?

A. get-bulk B. get-request C. inform D. trap E. set-request Answer: C Section: Mix Questions Explanation Explanation/Reference:

Generally, which way is the fastest to open S3 and S4 service requests to the Cisco TAC?

A. Use the Smart Call Home feature. B. Use the online TAC Service Request Tool. C. Call Cisco TAC on […]

What are the four steps to enable SSH v1 and v2 server on Cisco IOS XR routers? (Choose four.)

A. Configure a host name. B. Configure a domain name. C. Generate a crypto key pair. D. Import the router […]

Which two statements about NetFlow support on Cisco IOS XR are true? (Choose two.)

A. Cisco IOS XR supports NetFlow version 9 export format only. B. NetFlow version 9 is a flexible and extensible […]

When two or more different routes exist to the same destination that have been learned from two different routing protocols, what does a router use to determine the best route?

A. Routing protocol metric B. Administrative distance C. Hop count D. Path cost E. Local preference Answer: B Section: Mix […]

According to this show output, what are sticky MAC addresses?

A. Dynamically learned MAC addresses on the port that are stored in the MAC address table and also in the […]

Which two statements about transparent bridging operations are true? (Choose two.)

A. A bridge builds its MAC address table dynamically using the spanning-tree protocol. B. A bridge operates at the data […]

What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch?

A. Multiple spanning tree (mst) B. Per-vlan rapid spanning tree (rapid-pvst) C. Per-vlan spanning tree (pvst) D. IEEE 802.1D (stp) […]

Which two applications require the network to have the least amount of jitter, delay, and packet loss? (Choose two.)

A. FTP B. SSH C. VoIP D. email E. Cisco TelePresence F. web browsing Answer: CE Section: Mix Questions Explanation […]

Which layer(s) of the TCP/IP model operates end-to-end (Host A to Host B)?

HostA–RouterA–RouterB–HostB A. Physical layer B. Link layer C. Transport and application layers D. Link and internet (network) layers E. Physical […]

Which three statements correctly describe DSL-based Internet services for residential users? (Choose three.)

A. Most residential deployments use PPPoE encapsulation where the end user PC or the DSL CPE will require a PPP […]

Which Cisco router feature allows multiple independent routing table instances to co-exist within the same router at the same time?

A. Virtual Contexts B. Virtual Machines C. VTI D. VRF E. VPLS F. GRE Answer: D Section: Mix Questions Explanation […]

Which pair of mechanisms are often used together to allow dynamic routing over a secured site-to-site VPN tunnel?

A. GRE + SSL B. VTI + SSL C. VRF + SSL D. GRE + IPsec E. L2TP + IPsec […]

Which Layer 2 WAN protocol uses DLCI as the virtual circuit identifier?

A. ATM B. PPP C. Frame Relay D. Packet over SONET E. Metro Ethernet Answer: C Section: Mix Questions Explanation […]

Robert is sending an instant message to Mary. The message will be broken into a series of packets that will traverse all network devices. Which four options are the MAC and IP source and destination addresses that will populate these packets as they are forwarded from Router2 to Router1? (Choose four.)

A. source MAC = 0000.00a1.2222 B. source MAC = 0000.000c.0123 C. destination MAC = 0000.00a1.3333 D. destination MAC = 0000.000c.0124 […]

Which type of IPv6 address does the ff00::/8 prefix denote?

A. Local loopback B. Global unicast C. Unique link local D. Link local unicast E. Multicast F. Anycast Answer: E […]

Which three IP addresses are valid for hosts that belong to the 10.152.0.0/13 subnet? (Choose three.)

A. 10.152.0.0/13 B. 10.153.0.1/13 C. 10.158.255.255/13 D. 10.159.255.254/13 E. 10.160.0.1/13 F. 10.161.0.1/13 Answer: BCD Section: Mix Questions Explanation Explanation/Reference:

Which two options are the number of broadcast domains and collision domains shown in the exhibit? (Choose two.)

A. 1 collision domain B. 2 collision domains C. 4 collision domains D. 7 collision domains E. 1 broadcast domain […]

Given the IP address 172.16.170.15 255.255.224.0, which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address? (Choose three.)

A. subnet = 172.16.160.0/19 B. subnet = 172.16.170.0/19 C. subnet = 172.16.192.0/19 D. host IP address range = 172.16.160.1 to […]

A network administrator set-up AAA on a new router. While the TACACS server was down for maintenance, the administrator was still unable to login with the backup password. Which keyword did the administrator leave off of the AAA configuration?

A. The keyword local is missing from the AAA authentication login statement. B. The keyword local is missing from the […]

Which multiplexing technology has minimal impact to production traffic when changes are implemented to a live circuit?

A. Dark fiber B. DWDM C. IPoDWDM D. ROADM Answer: D Section: Network Management Explanation Explanation/Reference:

What is the minimum version of DOCSIS that will support IPv6?

A. Version 1 B. Version 2 C. Version 3 D. Version 3.1 Answer: B Section: Network Management Explanation Explanation/Reference:

Which command set is required to enable a remote SNMP query on an IOS-XR router?

A. control-planemanagement-planeinbandinterface allallow SNMPcommit B. control-planemanagement-planeinbandinterface allallow SNMP C. snmp server hostsnmp server contactsnmp-server community stringcommit D. snmp server hostsnmp […]

A Network Engineer configured NAT for external access but one individual at a time can access the external network. What NAT feature will allow all internal devices to share the same NAT IP address?

A. Static mapping B. Overload feature C. NAT DHCP feature D. Default route statement Answer: B Section: Network Management

Which EIGRP feature in IOS, IOS-XE, and IOS-XR will prevent the EIGRP process from automatically forming a neighbor adjacency?

A. Access-lists B. Link speed and duplex C. MTU Size D. Passive interface E. Bandwidth and delay Answer: D Section: […]

On Switch 5, which command would configure VLAN 5 as root?

A. switch5#spanning-tree vlan 5 priority 0 B. switch5(config)#spanning-tree vlan 5 priority 61440 C. switch5(config)#spanning-tree vlan 5 root D. switch5(config)#spanning-tree vlan […]

A network engineer has been provided subnet 209.165.202.128/27. What is the last usable IP address in this network and what is the subnet mask?

A. 209.165.202.158 and 255.255.255.224 B. 209.165.202.159 and 255.255.255.192 C. 209.165.202.158 and 255.255.255.192 D. 209.165.202.128 and 255.255.255.192 E. 209.165.202.128 and 255.255.255.224 […]

Which layer of the OSI Model does Label Distribution Protocol operate at?

A. Data Link B. Transport C. Application D. Presentation E. Session F. Network Answer: A Section: Network Management Explanation Explanation/Reference:

What is the Cisco IOS command to export IPv6 flows to Collector 209.165.200.200/24?

A. Switch(config)#ipv6 flow-export destination 209.165.200.200 9996 B. Switch(config)#ip flow-export destination 209.165.200.200 9996 C. Switch(config)#ip flow-export destination 209.165.200.200 255.255.255.0 D. Switch(config)#ip […]

What is the Cisco recommended way to secure SNMPv2 community strings?

A. Configure complex community string names and avoid using default settings B. Create multiple read/write strings to keep the attacker […]

Which two commands are required to enter enable mode on a console port without entering a password? (Choose two.)

A. Privilege 15 B. Input SSH C. Line VTY 0 4 D. No login E. Privilege 0 Answer: AD Section: […]

What is the measurement of the Cisco IP SLA Operation ICMP Pather Jitter?

A. Measures delay and jitter on networks utilizing UDP traffic B. Measures packet loss, jitter, and delay per hop in […]

A new policy requires all configurations to be saved to flash and backed up to a TFTP server based off the hostname at 12:05am every day. Based upon the configuration, which two commands are required to accomplish this? (Choose two.)

A. kron occurrence daily-config-backup at 0:05 recurringpolicy-list backup-config B. kron occurrence daily-config-backup at 12:05 recurringpolicy-list backup-config C. kron policy-list backup-configcli […]

A network administrator is setting up a new core router to be a secondary NTP server. What command would need to be added to NTP Client configuration shown?

A. NTP server 209.165.200.227 preferNTP server 209.165.200.226 B. NTP server 209.165.200.227NTP server 209.165.200.226 secondary C. NTP server 209.165.200.227 preferNTP server […]

Which two statements about Cisco IOS XR NTP configuration are true? (Choose two.)

A. A network device can obtain NTP time information in three ways: polling the NTP server, listening to NTP broadcasts, […]

Which three statements about this show output are true? (Choose three.)

A. Logging to the circular logging buffer has been disabled. B. All severity levels messages can be logged to the […]

Currently, a Cisco IOS XR router is configured to send IP SLA probes to a network management station that is acting as the IP SLA target device. How can IP SLA measurement accuracy be improved and also provide additional statistics?

A. Use ICMP echo probes instead of UDP echo probes. B. Configure another Cisco router as the target and enable […]

Which three statements about Cisco Discovery Protocol operations on a Cisco ME3400 switch are true? (Choose three.)

A. Cisco Discovery Protocol is enabled by default on NNI ports. B. Cisco Discovery Protocol is enabled by default on […]

Which statement about this show command output is true?

A. The S78 switch is performing remote-SPAN. B. All traffic that ports Fa0/1, Fa0/2, Fa0/3, and Fa0/4 send and receive […]

Which three statements about the Cisco IOS XR task-based user authorization method are true? (Choose three.)

A. A user’s association with a particular user group links that user to a particular set of task IDs. A […]

What is the Cisco IOS command that is used to prevent the route of the incoming traffic from an unknown network?

A. Interface FastEthernet 0/0ip verify unicast source reachable-via any allow-default B. Interface FastEthernet 0/0ip verify multicast source reachable-via any allow-default […]

Which best describes the relationship between user groups and task groups?

A. User groups include task ID’s that are nested task groups. B. Groups can be nested within other groups. C. […]

What is the best way to secure the route processor on a Cisco device?

A. Route processor traffic control B. Control plane quality of service C. Control plane policing D. Access lists Answer: C […]

Which two statements are true regarding the following configuration?

A. Users are authenticated using RADIUS. B. TACACS+ is configured for remote AAA. C. A TACACS+ AAA server group is […]

Which two statements are correct regarding routing protocol authentication? (Choose two.)

A. MD5 authentication can only be established between Internal BGP peers. B. Authentication can be established using keychains on one […]

Which statement about SSH is true?

A. It is a TCP/IP transport layer protocol. B. It uses TCP port number 22. C. It securely encrypts Telnet. […]

Which feature is used to protect the control plane of the router?

A. Port security B. uRPF C. Routing protocol authentication D. VRF E. SSH F. SSL Answer: C Section: Security in […]

Based on the configurations shown, why is the serial link in up/down status?

A. Mismatch hostnames B. Passwords are in plain text C. Mismatch of authentication type D. Wrong configuration mode for command […]

Which two commands can be used to enable LACP when configuring the interfaces for a 40 gigabit etherchannel? (Choose two.)

A. switch (config-if)# channel-group 1 mode active B. switch (config-if)# channel-group 1 mode auto C. switch (config-if)# channel-group 1 mode […]

A Passive Optical Network is a point-to-multipoint FTTx network architecture that relies on which of the following?

A. Electrically powered optical splitters B. Unpowered optical splitter C. Customer optical network terminal D. Network interface controller Answer: B […]

Which component is integrated into the Cisco IPoDWDM interfaces?

A. ROADM B. transponder C. electrical cross connect D. E-O-E converter E. SONET/SDH controller Answer: B Section: Transport Technologies Explanation […]

Which two statements about Packet over SONET are true? (Choose two.)

A. POS is a Layer 2 technology that uses PPP in ATM encapsulation and SONET framing. B. The Layer 2 […]

You need to enable the “local-router” serial 0/0 connection to the “remote-router” to be authenticated using the “C!sco!23” password. The password cannot be sent in cleartext between the two routers. The “remote-router” has already been configured with all the required configurations. Which four Cisco IOS configurations are necessary? (Choose four.)

A. hostname local-router B. int s0/0encap hdlc C. int s0/0encap ppp D. int s0/0ppp authentication pap E. int s0/0ppp authentication […]

Which three Cisco IOS configurations must you use? (Choose three.)

You want to enable these three actions: Enable the fa0/1 router’s interface to obtain its interface IP address dynamically from […]

A network engineer has configured an interface with various commands including the no shutdown command on an IOS-XR device. Both sides of the interface have been validated and the cable has been tested. Which command does the network engineer need to input?

A. switch#copy running-configuration startup-configuration B. switch#commit config C. (config)#commit D. switch(config)#commit config E. switch#write memory Answer: C Section: Cisco Operating […]

Which Cisco IOS XR command is involved in enabling remote access?

A. RP/0/RSP0/CPU0:PE1(config)# router static B. RP/0/RSP0/CPU0:PE1(config)# line console 0 C. RP/0/RSP0/CPU0:PE1(config)# vrf default D. RP/0/RSP0/CPU0:PE1(config)# telnet ipv4 server max-servers 20 […]

Which two statements about Cisco IOS XE operations are true? (Choose two.)

A. Cisco IOS XE uses a two-stage configuration method. B. Using the commit global configuration command, all the committed changes […]

Which three statements about Cisco IOS XR CLI operations are true? (Choose three.)

A. Cisco IOS XR uses a three-stage configuration method. B. Committed changes are persistent across reboots in Cisco IOS XR. […]

Which Cisco IOS XR CLI command displays the running state of each line card (including the fan tray) on the Cisco ASR 9000 Series Router?

A. RP/0/RSP0/CPU0:PE1#show platform B. RP/0/RSP0/CPU0:PE1(admin)#show platform C. RP/0/RSP0/CPU0:PE1#show hw-module fpd location all D. RP/0/RSP0/CPU0:PE1(admin)#show hw-module fpd location all E. RP/0/RSP0/CPU0:PE1#show […]

On Cisco IOS XR, for which purpose is the turboboot procedure used?

A. To boot the router into ROM Monitor mode B. To install the IOS XR software from scratch using the […]

Which Cisco IOS XR CLI command can you use to determine if the firmware on any of the line cards on the Cisco ASR 9000 Series Router needs to be upgraded?

A. RP/0/RSP0/CPU0:PE1#show platform B. RP/0/RSP0/CPU0:PE1(admin)#show platform C. RP/0/RSP0/CPU0:PE1#show hw-module fpd location all D. RP/0/RSP0/CPU0:PE1#show version E. RP/0/RSP0/CPU0:PE1(admin)#show version F. RP/0/RSP0/CPU0:PE1#show […]

In Cisco IOS XR, which three operations is Admin mode used for? (Choose three.)

A. Secure Domain Router management B. Configuration-register settings C. Hostname configuration D. IOS XR software package upgrades E. Interface duplex […]

Which Cisco IOS XR command presents a list of all interfaces, their Layer 3 address (if configured), and the status of the interface and protocol?

A. RP/0/RSP0/CPU0:PE1# show interface GigabitEthernet 0/0/0/1 B. RP/0/RSP0/CPU0:PE1# show controllers C. RP/0/RSP0/CPU0:PE1(admin)# show hw-module fpd location all D. RP/0/RSP0/CPU0:PE1(config)# show […]

Which Cisco IOS XR command displays information about statically configured routes and their corresponding interface or next-hop?

A. show ipv4 interfaces brief B. show route connected C. show interfaces Loopback D. show route static E. show route […]

A network administrator issues the who command on a Cisco router, which takes longer than usual to display the results. Which two commands can be used to speed up the process? (Choose two.)

A. nslookup B. no ip-domain lookup C. ip name-server D. ipconfig /all E. ifconfig Answer:BC Section: IP Services Explanation Explanation/Reference:

What are three features present on both ICMPv4 and ICMPv6? (Choose three.)

A. Connectivity tests B. Address assignment C. Information error messaging D. Address resolution E. Mobile IPv4 support F. Multicast group […]

Which two statements about IPv4 DHCP operations are true? (Choose two.)

A. If the DHCP clients and servers are on the same subnet, DHCP uses UDP broadcasts to communicate between the […]

A centralized DHCP server has been setup for customer use. What command is required on the customer Switched Virtual Interface (SVI) to allow clients to receive addresses from this server?

A. switch(config-if)#ip helper-address B. switch(config)#ip helper-address C. switch(config-if)#ip dhcp-address D. switch(config-if)#ip dhcp-gateway E. switch(config-if)#helper-address Answer: A Section: IP Services Explanation […]

Which configuration is necessary to support this output?

A. interface Ethernet0ip address 192.168.3.1 255.255.255.0ip nat outside!interface Ethernet1ip address 192.168.4.1 255.255.255.0ip nat outside!interface Serial0ip address 172.17.38.1 255.255.255.0ip nat inside!ip […]

Which IPv6 feature replaced and enhanced the IPv4 ARP functions?

A. ARPv6 B. DHCPv6 C. Neighbor discovery protocol in ICMPv6 D. Router solicitation and router advertisement E. Auto configuration Answer: […]

Which two statements about these partial Cisco IOS/IOS-XE configurations are true? (Choose two.)

A. 10.1.1.2 is the inside local address. B. 192.168.1.2 is the outside local address. C. 192.168.1.2 is the outside global […]

With IPv6, for which purpose are router solicitation and router advertisement used?

A. Routing protocol updates B. Routing protocol neighbor peerings C. Router and prefix discovery D. Layer 3 to Layer 2 […]

The network administrator is using a Windows PC application that is called putty.exe for remote communication to a switch for network troubleshooting. Which two protocols could be used during this communication? (Choose two).

A. SNMP B. HTTP C. Telnet D. RMON E. SSH Answer: CE Section: Routed Network Technologies Explanation Explanation/Reference:

A customer uses OSPF as their Customer Edge routing protocol and remote sites are reporting 10.0.0.0/8 in the routing tables. What is most likely the mis-configuration in the redistribution?

A. Improper route summarization on CE router B. Incorrect network statement C. Incorrect K value configured D. Configuration missing subnets […]

According to RFC 2080, which routing protocol is compatible with IPv6?

A. RIPv2 B. OSPF C. RIP-NG D. EIGRPv6 E. OSPFv2 F. EIGRP-NG Answer: C Section: Routed Network Technologies Explanation Explanation/Reference:

R1 and R2 are running RIPv1 for the 10.0.0.0 and 192.168.1.0 networks. No default or static routes have been configured on the routers. Which two statements about this topology are true? (Choose two.)

A. R1 summarizes the 10.1.1.0/24 subnet to 10.0.0.0/8 when it sends its RIPv1 routing updates to R2. R2 summarizes the […]

When EIGRP is enabled on Cisco IOS XR, which EIGRP feature is on by default?

A. no auto-summary B. stub routing C. unequal cost paths load-balancing D. no ip eigrp split-horizon E. eigrp authentication Answer: […]

Which two statements about classful or classless routing protocol operations are true? (Choose two.)

A. Classful routing protocols do not send subnet mask information with theirrouting updates. B. Variable-length subnet masks are supported when […]

Company 1 has merged with Company 2. Company 1 is using RIPv2 as its IGP and Company 2 is using EIGRP as its IGP. EIGRP also is running between R1 and R2 over the WAN link. Which action must be taken to allow these two configurations?

The Company 1 RIP routes appear as external EIGRP routes within Company 2. The Company 2 EIGRP routes appear as […]

Which three physical lines can provide local or remote access to a Cisco router or switch? (Choose three.)

A. Console port B. Modem port C. Virtual terminal lines D. Switch fabric interface E. Aux port F. ManagementEthernet0/RSP0/CPU0/0 Answer: […]

If a bridge port is in the non-designated state, which two statements about spanning-tree operations on this port are true? (Choose two.)

A. This port is in the Forwarding state. B. This port sends BPDUs on the attached link. C. This port […]

Which Cisco IOS CLI command is used to verify the speed and duplex settings on the Fa0/1 port on a Cisco switch?

A. show ip interfaces fa0/1 B. show interfaces fa0/1 C. show interfaces fa0/1 switchport D. show ip interfaces brief E. […]

What two commands enable port security and allow the switch to dynamically learn the connected MAC address? (Choose two.)

A. switch5(config-if)#switchport port-security B. switch5(config)#switchport port-security C. switch5(config-if)#switchport port-security mac-address sticky D. switch5(config)#switchport port-security mac-address sticky E. switch5(config-if)#switchport port-security mac-address […]

Which statement about STP operations is true?

A. One root bridge exists per collision domain. B. One root port is established per root bridge. C. One designated […]

Which three statements about the ARP function are true? (Choose three.)

A. ARP is used to determine an IP address. B. An ARP request is broadcast at Layer 3. C. An […]

Which three of the following components must be elected before the Spanning Tree Protocol can converge in a switched LAN? (Choose three.)

A. Designated ports B. Alternate ports C. Converged ports D. Root bridge E. Root ports F. Backup ports Answer: ADE […]

Given a ring topology, which loop prevention mechanism provides the fastest reconvergence time after a link failure?

A. Rapid Per-VLAN Spanning Tree Protocol B. Resilient Ethernet Protocol C. Multiple Spanning Tree Protocol D. Spanning Tree Protocol Answer: […]

Given the Class C IP network of 192.168.1.0, using VLSM, which five subnets meet the requirements in the exhibit? (Choose five.)

A. 192.168.1.0/27 B. 192.168.1.32/27 C. 192.168.1.48/27 D. 192.168.1.48/28 E. 192.168.1.64/28 F. 192.168.1.80/28 G. 192.168.1.80/29 H. 192.168.1.88/30 I. 192.168.1.96/30 Answer: ABEFI […]

Given the subnet of 209.165.201.0/27, which subnet range will make the most efficient use of the address block for connecting to customer edge devices?

A. 209.165.201.1/32 B. 209.165.201.1/31 C. 209.165.201.1/30 D. 209.165.201.1/29 E. 209.165.201.1/24 Answer: B Section: IPv4 and IPv6 Addressing Explanation Explanation/Reference:

What is the size difference in bits between an IPv4 address and an IPv6 address?

A. 128 B. 100 C. 98 D. 96 E. 32 Answer: D Section: IPv4 and IPv6 Addressing Explanation Explanation/Reference:

Which is a valid IPv6 Link Local address?

A. FF00::1 B. 224.0.0.5::1 C. FE80::1 D. FE70::1 E. 169.254.0.0/16 Answer: C Section: IPv4 and IPv6 Addressing Explanation Explanation/Reference:

Given the IP address of 209.168.200.155/27, which two options are the subnet that this IP address belongs to and the subnet broadcast IP address? (Choose two.)

A. 209.168.200.64 255.255.255.224 B. 209.168.200.96 255.255.255.224 C. 209.168.200.128 255.255.255.224 D. 209.168.200.95 E. 209.168.200.127 F. 209.168.200.159 Answer: CF Section: IPv4 and […]

Given the IP address 10.106.170.145 255.248.0.0, which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address?

A. subnet = 10.104.0.0/13 B. subnet = 10.106.0.0/13 C. subnet = 10.112.0.0/13 D. host IP address range = 10.104.0.1 to […]

Which statement about IPv6 global unicast addresses is true?

A. The first 3 bits is 001. B. The first 4 bits is 0011. C. The first 4 bits is […]

You are having problems browsing to http://www.cisco.com from your laptop that is running Windows. Your laptop is connected directly to a default gateway, which is a Cisco ISR G2 router. Which four options are the basic troubleshooting steps that you should use to troubleshoot this issue? (Choose four.)

A. Issue the ipconfig command from the Windows command line on your laptop to determine your laptop IP address and […]

What are two benefits of a star network topology? (Choose two.)

A. Disruption of the entire network is not required when adding new machines. B. Any problem which leaves the network […]

Which of the following correctly pairs the dotted decimal subnet mask with the correct number of binary bits that represent the subnet mask?

A. 255.255.255.192 and /25 B. 255.255.255.248 and /28 C. 255.255.255.224 and /26 D. 255.255.255.248 and /27 E. 255.255.255.240 and /28 […]

What are two differences between WAN and LAN? (Choose two.)

A. The customer has explicit control of their own WAN. B. The customer can modify the service provider route distinguishers. […]

The PE and CE interfaces are in the UP/UP state. The junior Network Engineer has validated Layer 3 functionality by pinging the adjacent interface, however the customer is unable to access the provider network. What should be your next troubleshooting step?

A. Validate that the encapsulation method is utilizing Point-to-Point Protocol B. Validate that the destination customer network is in the […]

Host 3 on Network A is sending data to Host 8 on Network B. Which address is the default gateway of Host 3?

A. The address of the switch interface that is connected to router interface Fa0/0 B. The address of the switch […]

What is the term that refers to a device that has no Customer Equipment directly connected to it in a Service Provider network?

A. Provider Edge Router B. Customer Edge Router C. Non-customer Edge Router D. Provider Router E. Provider Edge Provider Router […]

Building Cisco Service Provider Next-Generation Networks Part 2 Exam Topics

The “Building Cisco Service Provider Next-Generation Networks (SPNGN2), Part 2” (640-875) exam is associated with the CCNA® SP certification. This […]

Building Cisco Service Provider Next Generation Networks Part 1 Exam Topics

The “Building Cisco Service Provider Next-Generation Networks (SPNGN1), Part 1” (640-875) exam is associated with the CCNA® SP certification. This […]