单项选择题
A. External modem B. TV tuner C. Mouse D. Keyboard
Which of the following broadband types can provide the ...
单项选择题Which of the following broadband types can provide the MOST available bandwidth?（）
A.DSL B.Fiber C.Satellite D.Cable
A user reports that their UPS is making a loud beeping ...
单项选择题A user reports that their UPS is making a loud beeping sound. Which of the following would cause this problem?（）
A. The UPS is overcharged. B. Incorrect wattage on the power supply. C. The UPS battery is not charged. D. The UPS is in power management mode.
Which of the following services processes print request...
单项选择题Which of the following services processes print requests and sends them to the printer?（）
A. Printer Driver B. Print Spooler C. Printer Service D. Print Properties
