[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]EIGRP的管理距离()
正确答案 :C
110
[多选题]网络中经常使用DDN服务,请选出DDN的优点()
正确答案 :ADE
传输质量高
使用虚电路
专用线路
解析:ADE
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