单项选择题 Your network contains an Active Directory domain. The functional level of the domain is Windows Server 2008. The domain contains application servers that run either Windows Server 2003，Windows Server 2008， or Windows Server 2008 R2. The network contains 5，000 client computers that run Windows XP Service Pack 3 （SP3）. You plan to deploy Windows 7 to both virtual desktops and physical desktops. All users must be able to run a third-party application named App1 from the Windows 7 client computers. App1 requires monthly updates. Each update will be 2 GB. You need to recommend a solution for App1 that supports the planned deployment. The solution must minimize the amount of bandwidth used to update Appl. What should you include in the recommendation？（）

单项选择题 Your network contains an Active Directory domain. The functional level of the domain is Windows Server 2008. The domain contains application servers that run either Windows Server 2003，Windows Server 2008， or Windows Server 2008 R2. The network contains 5，000 client computers that run Windows XP Service Pack 3 （SP3）. You plan to deploy a Hyper-V host that runs Windows Server 2008 R2. The host will contain 20 virtual machines （VMs） that run either Windows Server 2003 Service Pack 2 （SP2） or Windows Server 2008 R2 Service Pack 1 （SP1）. You need to recommend a backup solution for the VMs that supports backing up the VMs while they are running. What should you include in the recommendation？（）

单项选择题 You plan to deploy a Hyper-V host that runs Windows Server 2008 R2 Service Pack 1 （SP1）. You need to recommend a solution for the virtual machines （VMs） on the Hyper-V host. The solution must meet the following requirements： - The VMs must not increase beyond their original size. - The VMs must be backed up by using a host-based backup. What should you include in the recommendation？（）