单项选择题 Your company has 1，000 Windows XP computers.  You plan to migrate these computers to Windows 7.   You need to detect compatibility issues that can occur during the installation and configuration process for a specific application.   Which tool should you use？（）

单项选择题 Your company has 1，000 client computers that run Windows XP Professional x64.   You are planning to deploy Windows 7 Enterprise x64. The company uses an application that is incompatible with Windows 7 Enterprise x64.   You have the following requirements：   Provide all users with access to the application.   Deploy and manage the application by using a centralized solution.  You need to design a solution that meets the requirements.   What should you do？（）

单项选择题 Your company uses Windows Update to download and install security updates on client computers. When Microsoft releases a security update， you have the following requirements：   Establish which client computers require the security update.   Identify what changes will occur as a result of the security update.  Identify which applications might be affected by the security update.    You need to select the appropriate tool to detect application-compatibility issues.   What should you do？（）