下列()状态是不可能在路由器的串行端口状态见到的。
- A、 Interface is up, line protocol is up
- B、 Interface is down, line protocol is down
- C、 Interface is down, line protocol is up
- D、 Interface is up, line protocol is down
正确答案:C
答案解析:有
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下列()状态是不可能在路由器的串行端口状态见到的。
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