Which condition can cause unicast reverse path forwarding to fail?

A. PortFast security violation

B. split horizon

C. asymmetric routing

D. STP convergence C








 

Suggested Answer: Explanation

Unicast RPF configured in strict mode may drop legitimate traffic that is received on an interface that was not the router's choice for sending return traffic.
Dropping this legitimate traffic could occur when asymmetric routing paths are present in the network. https://www.cisco.com/c/en/us/about/security-center/unicast-reverse-path-forwarding.html

This question is in 300-101 Cisco Implementing Cisco IP Routing (ROUTE) Exam
For getting Cisco Certified Network Professional (CCNP) Routing and Switching Certificate




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