单项选择题
A.Cellular B.802.11a C.802.11b D.Satellite
A user cannot undock a laptop from the docking station....
单项选择题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
A user is printing pictures to the color laser printer ...
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?（）
A. Replace the printer ribbon. B. Replace the pickup assembly. C. Replace the fuser. D. Replace the print head.
A user reports that the laser printer is constantly jam...
单项选择题A user reports that the laser printer is constantly jamming on humid days. Which of the following is the MOST likely resolution to the problem?（）
A. Replace the paper with thinner paper. B. Replace the toner cartridges. C. Replace the fuser. D. Replace the print heads.
