what will happen if u configure two router as NTP server （something like that）.

【参考答案】

The router will choose the bes......

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问答题

The interface is up and protocol is up. When do u get these messages.

问答题

单项选择题

The interface is up and protocol is up. What level of logging is enabled when you get these messages？（）

A.alerts
B.errors
C.critical
D.notifications