[单选题]On a half-duplex Ethernet LAN, two hosts attempt to send data simultaneously, resulting in a collision. Following this collision, what will the hosts do? (Select all valid answers)
正确答案 :C
The hosts will attempt to resume transmission after a time delay has expired.
解析:C 解析:Explanation:
[单选题]关于PPP和HDLC的说法中,错误的是()
正确答案 :D
在配置ISDN时,广域网协议不能封装成PPP,但可以封装成HDLC
[单选题]下面对Cisco2621路由器和Cisco2501路由器描述中,错误的是()
正确答案 :C
Cisco2501上提供一个100Mbit/s的快速以太网端口
[多选题]交换机的三大功能为()
正确答案 :ABC
地址学习
转发过滤
消除回路
解析:ABC
[单选题]How can a Ezonexam administrator determine if a router has been configured when it is first powered up?
正确答案 :C
An un configured router goes into the setup dialog
解析:解析:Explanation:
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