单项选择题
A.Select a media file. Right-click the file and select Open with.
B.Select a media file. Right-click the file and select Restore previous versions.
C.From Control Panel， modify the Set your default programs settings.
D.From Control Panel， modify the Set program access and computer defaults settings.
单项选择题 Your network contains 100 computers that run Windows XP. You need to identify which applications installed on all of the computers can run on Windows 7. You must achieve this goal by using the minimumamount of administrative effort. What should you install?（）
单项选择题 You have a computer that runs Windows 7. You create an application shim for a third-party application byusing the Microsoft Application Compatibility Toolkit (ACT). You need to ensure that the application shim isapplied the next time you run the application. What should you do first ?（）
单项选择题 ou attach a mobile device that runs Windows Mobile Professional 6.1 to a computer. You discover thatWindows is unable to install the necessary device drivers for the mobile device. You need to ensure that youcan synchronize files to the mobile device. What should you do?（）