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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相关考题
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单项选择题
An administrator would like to know the name of the workstation that is being repaired. Which ofthe following commands, without parameters, will provide this information?（）
A.Hostname
B.Ipconfig
C.Netstat
D.Ping -
单项选择题
A user is attempting to connect to the network remotely using a laptop and dial-up. The user plugsthe cable into the only available laptop connection, but the connector is loose inside the port. TheMOST likely reason the connector is loose is the:（）
A. RJ-11 connector needs to be re-crimped
B. User has plugged into the laptop's NIC port
C. User has plugged the wrong end of the cable into the port
D. RJ-11 connector needs to be replaced with an RJ-45 connector -
单项选择题
Which of the following analyzes the entire subnet to identify all hosts that are active?（）
A. Ping sweep
B. Packet sniffer
C. Traceroute
D. Port scanner
