Which of the following has to be installed on a laptop in order to use a compact flash storage device？（）

单项选择题Whichofthefollowingareconsideredplugandplaytechnologiesinalaptop？（）

A.SATA
B.RAID
C.USB
D.EIDE

单项选择题AcompanyscomputersarerunningWindowsXPProfessional.Someofthedesktopcomputershavethefilentbootdd.sysontherootbutitisnotseenonanylaptops.Thentbootdd.sysfileisrequiredfor：（）

A.desktops with certain chipsets.
B.compatibility with some Windows NT4 applications.
C.computers with scanners.
D.for SCSI devices.

多项选择题WhichofthefollowingwouldbetheBESTsafetymeasuretotakebeforeinstallingaWindowsservicepack？（）

A.Back up all important documents. 
B.Set a System Restore point. 
C.Note the BIOS settings in case a reset is needed. 
D.Back up the drivers for the computer in case re-installation is needed. 
E.Uninstall the previous service pack.

单项选择题WhichofthefollowingcommandscouldbeusedtostarttheManagementConsoleonaworkstationrunningWindows2000 XP？（）

A.Start > Run > MCP
B.Start > Run > MCE
C.Start > Run > MCA
D.Start > Run > MMC

单项选择题WhichofthefollowinglocationscontainstheSystemRestoreoptioninWindowsXP？（）

A.Control Panel Administrative tools.
B.Control Panel Security Center.
C.System Properties， Start up and Recovery.
D.Help and support from the Start menu.