A technician receives a laptop work order stating that the mouse pointer from the touchpad is moving randomly around the screen. Which of the following should the technician do FIRST？（）

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.

单项选择题A technician is working on a new computer running Windows XP and the hard drive is formatted at 20GB but is an 80GB hard drive. There is not another partition and no extra space can be foundunder Windows explorer.  Which of the following would be the BEST way to partition the remainder of the hard drive without data loss？ （）

A.Add another hard drive and use that available space.
B.Run FDISK.
C.Use the Disk Management tool.
D.Back up all important data to an external drive then reformat the hard drive.