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» Cisco » Examen Cisco CCNA V3.1 » Module 2 » Chapitre 8 » Question 5/14

5.What does a router do if it is unable to deliver a packet to its destination? (Choose two.)

The router sends the original packet back to the source.
The router keeps the packet in its buffer until the next routing table update.
The router sends an ICMP "Destination Unreachable" message back to the source.
The router sends out a broadcast message in search of the destination.
The router discards the original packet.