單項(xiàng)選擇題

An administrator finds a phone line but does not know where the line goes or if it is active. Whichof the following can be used to test if it is active?（）

A. Butt set
B. Punch down tool
C. Cable teste
D. Cable stripper

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單項(xiàng)選擇題

Which of the following devices would allow a technician using a packet sniffer to view all the dataon a network?（）

A.GBIC
B.Hub
C.Bridge
D.Modem

單項(xiàng)選擇題

A server keeps rebooting at various times throughout the day. Which of the following tools wouldBEST help to diagnose this issue?（）

A. Multimeter
B. Temperature monitor
C. Cable tester
D. Toner probe