I have a question about question 1.

Some people answered Host A, other said the packet is lost. If the layer 4
protocol is UDP, it is lost, if it is TCP it will be resent.

Would Cisco use the word "packet"to refer to a connection-oriented layer 4
protocol, TCP, and the word "datagram" to refer to UDP, connectionless?


Patrick

>Question 1:
>Router A and Router B are configured to route IP to each other over a
serial
>line. Host A is connected to Router A and Host B is connected to Router B.
A
>packet is sent from Host A to host B. A hit on the serial line causes an
>error in the packet. Retransmission is sent by:



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