单项选择题

Which of the following troubleshooting steps should be performed NEXT after a core router hasbeen reported down?（）

A. Implement a solution.
B. Establish the outage cause.
C. Identify all affected areas.
D. Test a solution.

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An administrator would like to know the name of the wor...

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A.Hostname
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A user is attempting to connect to the network remotely...

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N10-004

Which of the following troubleshooting steps should be performed NEXT after a core router hasbeen reported down?（）