When unicast reverse path forwarding is configured on an interface, which action does the interface take first when it receives a packet?

ccnp-dump
ccnp-route-dump
ccnp-route

#1

When unicast reverse path forwarding is configured on an interface, which action does the interface take first
when it receives a packet?
A. it verifies that the source has a valid VEF adjacency.
B. It checks the egress access lists.
C. it verifies a reverse path via the FIB to the source.
D. It checks the ingress access lists.

Correct Answer: C