试题与答案

对于选择重发ARQ协议,如果帧编号字段为k位,则窗口大小为()。 A.W≤2k-1

题型:单项选择题

题目:

对于选择重发ARQ协议,如果帧编号字段为k位,则窗口大小为()。

A.W≤2k-1

B.W≤2k-1

C.W=2k

D.W<2k-1

答案:

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参考答案:A

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