单项选择题 The servers on your network run Windows Server 2008 R2. You are planning a two-node Hyper-V failover cluster with SAN storage， and 16 virtual machines （VMs）. You plan to use quick migration. You need to place the maximum number of VMs on each logical unit number （LUN）. You need to ensure that you can move individual VMs between cluster nodes without affecting other VMs. How many VMs should you place on each LUN？（）

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？（）