单项选择题 Your network contains the following servers： - A two-node Hyper-V failover cluster that runs Windows Server 2008 R2 - A server that has Microsoft System Center Operations Manager 2007 R2 installed - A server that has Microsoft System Center Virtual Machine Manager 2008 R2 installed  You need to provide certain users with the ability to create their own virtual machines （VMs）. The solution must minimize the number of permissions assigned to the users. What should you do？（）

单项选择题 Your network contains a virtualization environment that includes the following： - 10 hosts that run VMware ESX Server 4.0 - Microsoft System Center Virtual Machine Manager - 50 Hyper-V hosts that run Windows Server 2008 R2 Each virtualization host contains a minimum of 15 virtual machines （VMs）. You need to recommend a solution to apply updates to all of the offline VMs hosted on the Hyper- V hosts. 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）. Your company has a two-node failover cluster that runs Windows Server 2008 R2 Service Pack 1 （SP1）. As part of a Virtual Desktop Infrastructure （VDI）， the failover cluster hosts guest virtual machines （VMs） that run Windows 7. The company does not plan to purchase additional hardware for the existing servers. You need to recommend a solution to increase the number of VMs that can run on each host. What should you include in the recommendation？（）