單項(xiàng)選擇題

Which of the following wireless technologies is primarily setup for video/audio and the frequency is 5 GHz?（）

A.Cellular
B.802.11a
C.802.11b
D.Satellite

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單項(xiàng)選擇題

A user cannot undock a laptop from the docking station. Which of the following is the MOST likely cause?（）

A. The laptop is not turned off
B. The power cable is not unplugged
C. The lock button is set to lock
D. The ACPI settings are configured improperly

單項(xiàng)選擇題

A user is printing pictures to the color laser printer and the bottom half of the picture is faded. The printer is displaying no errors. Which of the following is the MOST likely resolution to the problem?（）

A. Replace the printer ribbon.
B. Replace the pickup assembly.
C. Replace the fuser.
D. Replace the print head.

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