●To accommodate the longest path allowed by 802.3,the slot time has been set to 512 bitt t

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●To accommodate the longest path allowed by 802.3,the slot time has been set to 512 bitt times,or (75) .

(75) A.521μs

B.5.12μs

C.0.512μs

D.512μs

参考答案:

A【解析】译文:为了兼容802.3允许的最长路径,时隙被设置为512bitttimes或者512μs

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