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Which implementation can cause packet loss when the network includes asymmetric routing paths?
Correct Answer: C
Explanation/Reference: Explanation: When administrators use Unicast RPF in strict mode, the packet must be received on the interface that the router would use to forward the return packet. 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. Reference. http://www.cisco.com/web/about/security/intelligence/unicast-rpf.html