单项选择题
A.At the command prompt, run defrag.exe -f.
B.At the command prompt, run chkdsk.exe /f.
C.From Disk Management, assign a drive letter to the USB drive.
D.Delete the usbui.dll file from the computer, and then restart the computer.
单项选择题 YouperformacleaninstallationofWindowsXPProfessionalonacomputer.Thecomputerisamemberofaworkgroup.Youneedtoenableofflinefilesonthecomputer.Whatshouldyoudofirst?（）
单项选择题 You have a portable computer that runs Windows XP Professional. When the computer is disconnected from the network, you receive a message in the notification area that says you are working offline. The message reappears every hour. You need to prevent the message from appearing while you are working offline. What should you modify?（）
多项选择题 You have a portable computer and a desktop computer that both run Windows XP Professional. Both computers are members of a domain named Contoso. The desktop computer hosts a shared folder named Share1. You need to ensure that all files in the Share1 folder are automatically available on the portable computer when the computer is disconnected from the network. Which two actions should you perform?（）