You install an application named App1.exe on a computer. After the installation, the computer becomesunresponsive. You restart the computer and attempt to uninstall App1.exe. The uninstallation of App1.exefails. You need to restore the computer to its previous functional state. You must achieve this goal by usingthe minimum amount of administrative effort. 
What should you do?（）

单项选择题You manage several computers that run Windows 7. A user wants to roll back a driver. The user opens thedevice properties in Device Manager and discovers that the Roll Back Driver option is unavailable. Youconnect to the computer by using Windows Remote Assistance. You need to roll back the driver to itsprevious version.  What should you do first?（）

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?（）

A.Restart in safe mode and then roll back the video card driver.
B.Restart in safe mode and then revert the computer to a previous restore point.
C.Start the computer from the Windows 7 installation media. Select Repair your computer and then selectSystem Restore.
D.Start the computer from the Windows 7 installation media. Select Repair your computer and then selectSystem Image Recovery.

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?（）

A.Command Prompt
B.Startup Repair
C.System Image Recovery
D.System Restore

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?（）

A.From Backup and Restore， select Change settings.
B.From Backup and Restore， select Create a system image.
C.From the System Protection tab， create a restore point.
D.From the System Protection tab， enable system protection for the new volume.

单项选择题You have a computer that runs Windows 7. You install a second internal hard disk drive in the computer.You attempt to create a system image and discover that the new disk is not listed as a backup destination.You need to ensure that you can use the new disk as a backup destination for system images.  What should you do?（）

A.Create a NTFS partition.
B.Create a mirrored volume.
C.Create a system repair disc.
D.Log on to the computer by using a different account.