CSMA/CD协议在站点发送数据时() A.一直侦听总线活动 B.仅发送数据,然后等 发布时间:2018-09-07 19:05 │ 来源:www.tikuol.com 题型:单项选择题 问题: CSMA/CD协议在站点发送数据时()A.一直侦听总线活动B.仅发送数据,然后等待确认C.不侦听总线活动D.当数据长度超过1000字节时需要侦听总线活动
题型:单项选择题 Everything taken into account, I think Alice's plan is a(an) _____ one. We'd better put it into practice.[ ]A. primary B. perfect C. essential D. practical 查看答案