单项选择题
A.Reboot the computer.
B.Replace the touchpad.
C.Clean the touchpad.
D.Update the driver.
单项选择题 Atechnicianisperformingpreventivemaintenanceonthehardwarecomponentsinaworkstation.Whichofthefollowingactionsshouldthetechniciantake？（）
单项选择题 Acustomerhassecurityconcernsaboutclassifiedlocaldatabeingcompromisedifthelaptopisstolen.ThecustomerslaptophasWindows2000utilizingtheFAT16filesystem.Whichofthefollowingactionsshouldbetaken？（）
单项选择题 Whichofthefollowingrepresentsasafetyhazard？（）