Huawei
GB0-180 · Question #85
In the system configuration view of Quidway router, input command: display interface serial 0. It shows that the physical interface is up and line protocol is down. What is the possible fault?
See the full explanation below for the reasoning.
Question
In the system configuration view of Quidway router, input command: display interface serial 0. It shows that the physical interface is up and line protocol is down. What is the possible fault?
Options
- AThe setting of interval to live is not consistent
- BThe clock frequency is not consistent with that of the opposite end
- CLink negotiation fails to pass
- DThere is no carrier information from the opposite end
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