单项选择题
A.Add the user to the Power Users group.
B.Right-click Device Manager and select Run as administrator.
C.From System Properties， modify Device Installation Settings.
D.From the Local Group Policy， modify Device Installation Restrictions.
单项选择题 You have a computer that runs Windows 7. You update the driver for the computer s video card and thecomputer becomes unresponsive. You need recover the computer in the minimum amount if time. What should you do?（）
单项选择题 You have a computer that runs Windows 7. You perform regular data backups and system image backups.The computer experiences a hard disk failure. You replace the failed hard disk. You need to recover thecomputer to the previous Windows 7 environment. You start the computer from the Windows 7 installationmedia. Which recover option should you select?（）
单项选择题 You have a computer that runs Windows 7. Windows Backup is configured to store backups on an externaldrive. You create a new NTFS volume on the computer. You need to configure Windows Backup to includethe files on the new volume as part of regularly scheduled backups. What should you do?（）