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You use Microsoft Application Virtualization for Desktops to virtualize applications for client computers.
A virtual application that was insta lled by using a Windows Installer Package (.msi) file has become corrupted.
You need to restore access to the virtual application.
Which two actions should you perform？（）

You have an Exchange organization that contains Exchange 2000 Server and Exchange Server 2003 Service Pack 2 （SP2） servers. You plan to transition the organization to Exchange Server 2010. You need to prepare the Exchange organization for the deployment of Exchange Server 2010 Mailbox， Client Access， and Hub Transport servers.  What should you do first（）？    Install the Active Directory Connector （ADC）.。 Delete all Recipient Update Service （RUS） objects.。 Deploy an Exchange Server 2010 Edge Transport server.。 Remove all Exchange 2000 Server servers from the organization.。 咳嗽、咳痰患者，要记录痰液的（）、（）、（），正确留取痰标本并送检 企业信息化战略规划是以企业职能战略规划为依据而制定的，是企业战略规划的重要组成部分。 You have a computer that runs Windows 7. You manually create a system restore point. You need torestore a copy of a file stored on drive C from two days ago. You must achieve this goal in the minimumamount of time. What should you do?（） From Recovery, select System Restore.。 From Backup and Restore, select Restore my files.。 From the command prompt, run Wbadmin get items.。 From the properties of the file, select Previous Versions.。 维生素K的止血作用是由于其能（） 促进血小板生成。 增强毛细血管抵抗力。 参与凝血酶的合成。 抗纤维蛋白溶解。

You use Microsoft Application Virtualization for Desktops to virtualize applications for client computers.
A virtual application that was insta lled by using a Windows Installer Package (.msi) file has become corrupted.
You need to restore access to the virtual application.
Which two actions should you perform？（）