单项选择题
A. Degaussing the monitor.
B. Destroying the tube.
C. Removing the plastic housing.
D. Disposing at a recycling center.
单项选择题 Which of the following wireless technologies is primarily setup for video/audio and the frequency is 5 GHz?（）
单项选择题 A user cannot undock a laptop from the docking station. Which of the following is the MOST likely cause?（）
单项选择题 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?（）