Which of the following makes toner stick to paper？（）

单项选择题Atechnicianreceivesalaptopworkorderstatingthatthemousepointerfromthetouchpadismovingrandomlyaroundthescreen.WhichofthefollowingshouldthetechniciandoFIRST？（）

A.Reboot the computer.
B.Replace the touchpad.
C.Clean the touchpad.
D.Update the driver.

单项选择题Atechnicianisperformingpreventivemaintenanceonthehardwarecomponentsinaworkstation.Whichofthefollowingactionsshouldthetechniciantake？（）

A.Remove the case front and clean the air vents.
B.Unplug the capacitors from the board and clean the contacts.
C.Remove the processor and clean the pins with an eraser.
D.Remove the processor and clean any dust that has collected between the processor and the heatsink.

单项选择题Acustomerhassecurityconcernsaboutclassifiedlocaldatabeingcompromisedifthelaptopisstolen.ThecustomerslaptophasWindows2000utilizingtheFAT16filesystem.Whichofthefollowingactionsshouldbetaken？（）

A.Upgrade the operating system to Windows XP Home.
B.Have the customer convert to NTFS and enable data encryption.
C.Tell the customer that a laptop should not be used for classified data.
D.Configure the wireless adapter to only connect to secure networks.

单项选择题Whichofthefollowingrepresentsasafetyhazard？（）

A.liquid on the floor
B.a tiled floor
C.a concrete floor
D.carpet

单项选择题Aprintertakesalongtimetoprinthigh-endgraphics.WhichofthefollowingwouldbetheFIRSTactiontotake？（）

A.Replace the toner cartridge.
B.Recommend the use of smaller graphics.
C.Check the amount of memory installed.
D.Recommend connecting fewer users to the printer.