[单选题]命令“ping127.0.0.1”的功能是()
正确答案 :C
测试TCP/IP协议是否正常
[多选题]Which three statements are true about the operation of a full-duplex Ethernet network, which is being used in the Ezonexam LAN? (Choose three)
正确答案 :BCE
The host network card and the switch port must be capable of operating in full-duplex mode.
There are no collisions in full-duplex mode.
A dedicated switch port is required for each full-duplex node.
解析:解析:Explanation:
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