单项选择题

A user states that the inkjet printer is printing streaks on documents. Which of the following wouldresolve the issue?（）

A. Use the printer’s clean option.
B. Replace the printer data cable.
C. Print the demo page from the printer.
D. Reinstall the drivers.

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单项选择题

A technician plugs a USB device into the computer. The system tray displays a message that reports the device is installed, but may not work properly. Which of the following is the MOST likely cause of the message?（）

A. The device needs a firmware update
B. The device needs an updated driver installed
C. The plugged in device is too slow for the USB port speed
D. The device is incompatible with the installed version of Windows

不定项选择

A customer reports that a networked printer is not printing documents. The technician successfullypings the printer’s IP address. Which of the following could be the problem? (Select TWO).（）

A. The network cable is unplugged.
B. The printer is low on toner.
C. The gateway address on the printer is incorrect.
D. The printer is out of paper.
E. The spooler is not functioning.

单项选择题

Which of the following describes a computer in which the HDD LED is lit, but the mouse does notrespond and the computer is unresponsive?（）

A. The computer has locked up
B. Windows Update is running
C. The computer is in Safe Mode
D. The reset button is stuck