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


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A. Spanning Tree Protocol
B. Flex Links
C. Resilient Ethernet Protocol
D. Spatial Reuse Protocol
E. Resilient Packet Ring
Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation/Reference:
https://www.cisco.com/en/US/docs/switches/metro/me3400/software/release/12.2_40_se/configur ation/guide/swrep.html
Resilient Ethernet Protocol (REP) on the Cisco ME 3400E Ethernet Access switch. REP is a Cisco proprietary protocol that provides an alternative to Spanning Tree Protocol (STP) to control network loops, handle link failures, and improve convergence time. REP controls a group of ports connected in a segment, ensures that the segment does not create any bridging loops, and responds to link failures within the segment. REP provides a basis for constructing more complex networks and supports VLAN load balancing.

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