题目内容

考虑在一条1000m长的电缆(无中继器)上建立一个1Gbps速率的CSMA/CD网络，假定信号在电缆中的速度为2×108m/s，那么该电缆的最小数据帧长是______。

A. 1250B
B. 1230B
C. 1280B
D. 1220B

查看答案

搜索结果不匹配？点我反馈

更多问题

Which city is also known as "City of Saints"().

A. Vancouver.
B. Toronto.
C. Ottawa.
D. Montreal.

If Tom wins tomorrow, he ______ thirty races in the past four years.

A. will win
B. has won
C. would have won D. will have won

FTP客户和服务器之间一般需要建立的连接个数是______。

A. 1
B. 2
C. 3
D. 4

甲亢的内科治疗宜选用

A. 大剂量碘剂
B. 甲状腺素
C. 甲巯咪唑
D. 小剂量碘剂
E. 131I