While using the ping command to try and reach a local server, a technician receives a response of “Destination host unreachable”. After confirming that the PC is physically connected to the network, which of the following commands should the technician use to get more detailed information?（）
- A、TRACERT
- B、GREP
- C、TELNET
- D、DIG
正确答案:A
答案解析:有
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