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 a worse metric
B.
when a router receives an update from its neighbor router about a network in its routing
table but with a better metric
C.
when a router receives an update from its neighbor router indicating that a previously
accessible network is now inaccessible
D.
whenever the router receives an update from its neighbor about a newly learned network
E.
whenever the router interface that is used to reach the remote network goes down