题目内容

Hz is the measurement of frequency, it can not be used as bandwidth unit.

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Is that true that using more harmonics is better than using just a few harmonics?

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We can achieve unlimited bandwidth, as the harmonics we use are unlimited.

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Go back N protocol

A. requires larger receiving window
B. suitable for network with low high 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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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.

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