單項選擇題

A user has just moved a PC from one office to another. The patch cable and the NIC do notappear to be functioning in the new office but were working before the move. The patch cable is plugged in correctly to both the NIC and the wall jack. Which of the following actions should the technician take FIRST?（）

A. Verify that the network card is compatible with the operating system.
B. Verify that the port on the switch is enabled.
C. Update the network card driver.
D. Replace the network cable with a crossover cable.

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單項選擇題

Which of the following default ports must be opened to allow a technician to telnet into a machine?（）

A.21
B.23
C.24
D.25

單項選擇題

After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal.
Which of the following components should the technician check FIRST?（）

A. Motherboard
B. Video card
C. Cutoff switch
D. AC adapter

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你可能感興趣的試題

Which of the following default ports must be opened to allow a technician to telnet into a machine?（）

After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal. Which of the following components should the technician check FIRST?（）

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After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal.
Which of the following components should the technician check FIRST?（）