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.
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单项选择题
Atechnicianreceivesaprinterthatisprintinginksmudgesonrandomsheetsofpaper.WhichofthefollowingshouldthetechniciantryFIRST？（）
A.Replace the printer.
B.Replace print head assembly.
C.Clean the print head.
D.Use a different brand of paper. -
单项选择题
Ashippingdepartmentisreportingthatalaserprinterinthereceivingareaisbecomingjammedbecausetheprinterattemptstopullseveralsheetsofpaperforeachprint.Whichofthefollowingmaybethecause？（）
A.Humidity is causing the paper to stick together.
B.The paper is sticking to the corona wire and causing the jam.
C.A4 paper is being used and may not be supported by laser printers.
D.The fusion roller is dirty and pulling too many sheets of paper. -
单项选择题
WhichofthefollowingwouldbethemaximumnumberofdevicesinasinglechainthatUSBtechnologywillallow？（）
A.98
B.127
C.254
D.120
