(Topic 1) When a router receives an IP packet, but does not find a match in the routing table for the destination IP address, what actions are performed by the router?

(Topic 1) When a router receives an IP packet, but does not find a match in the routing table for the destination IP address, what actions are performed by the router?
A . The packet is flooded out all router interfaces.
B . The packet is dropped and an ICMP unreachable message is sent back to the source.
C . The packet is silently discarded.
D . The packet is flooded out all interfaces and an ICMP unreachable message is sent.

View Answer

Answer: B