单项选择题 All servers on your companys network run Windows Server 2008 R2. All client computers run Windows Vista. The company is planning to virtualize an application that runs only on Windows 2000 Professional.  You need to recommend a virtualization solution that enables users to run the virtualized application while their computers are disconnected from the corporate network.  Which technology should you recommend？（）

单项选择题 All servers on your companys network run Windows Server 2008 R2. All users have thin client computers. You need to recommend a virtualization solution that allows users to use applications that run only on Windows 7.  Which technology should you recommend？（）

单项选择题 Your virtual environment includes several Windows Server 2008 R2 Hyper-V servers. Some servers have 16 GB of RAM， and some servers have 32 GB of RAM. Each server has a dedicated management network adapter. Several virtual machines （VMs） are configured on local disk arrays.  You plan to enable live migration between all Hyper-V host servers. Your plan must optimize the environment for live migration and enable the live migration of all VMs among all servers. You need to specify the components to add or upgrade.  What should you do？（）