单项选择题
An administrator is having a hard time adding a new switch to the network. After verifying that allthe ports are configured correctly on each switch, which of the following should the administratorverily NEXT?（）
A. Straight-through cable is used to connect both switches
B. Loopback plug is connected
C. Crossover cable is used to connect both switches
D. Cable is a rollover cable
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相关考题
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单项选择题
Which of the following connectivity issues is likely to occur within a token ring network?（）
A. Crosstalk
B. Broadcast storm
C. Duplex mismatch
D. Collision -
单项选择题
An administrator is trying to isolate the location of a persistent connectivity problem caused by a faulty NIC. Which of the following diagrams would assist the technician in finding the machine that is causing the problem?（）
A. Physical and logical network
B. Physical network
C. Logical network
D. DHCP tables and DNS records -
多项选择题
Which of the following ports are used by default for web servers? （）(Select TWO)
A.80
B.110
C.123
D.143
E.443
