Chapter 3 Data Link Layer--DLL Elementary Protocol【含答案】 计算机网络 Computer Networks

(1)判断题

Protocol 2 considers noise on the channel and requires feedback from receiver.

(2)判断题

Procotol 3 uses timer and sequence number.

(3)判断题

The sequence number used in Protocol 3 can range between 0 and 1.

(4)单选题

Amongst the 6 elementary DLL protocols:

A  Simplex stop-and-wait protocol uses piggybacking;

B  For go-back-n protocol, receiving window = 1;

C  For go-back-n protocol, sending window = MAX_SEQ;

D  For selective repeat protocol, the sending window <= MAX_SEQ.

(5)单选题

Go back N protocol

A  requires larger receiving window

B  suitable for network with low error rate

C  max sending window size is the max sequence number

D  receiving window size should be larger than max sequence number

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未经允许不得转载!Chapter 3 Data Link Layer--DLL Elementary Protocol【含答案】 计算机网络 Computer Networks