单项选择题
A.Back up the VMs by using Windows Server Backup within the VMs
B.Back up the system state on the VMs by using Windows Server Backup within the VMs
C.Back up the Hyper-V server by using Microsoft System Center Data Protection Manager （DPM） 2007 with SP1
D.Create checkpoints of the VMs by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2
单项选择题 Your environment includes a Windows Server 2008 R2 Hyper-V failover cluster. You manage the virtual environment by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. You plan to perform maintenance on the Hyper-V failover cluster. You need to complete the maintenance on the failover cluster while maximizing the uptime of the virtual machines （VMs）. What should you do prior to starting maintenance on each cluster node？（）
多项选择题 Your environment includes multiple Windows Server 2008 R2 Hyper-V servers. You manage the virtual environment by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. You plan to place multiple Hyper-V servers in the perimeter network （also known as DMZ）. You need to be able to manage the Hyper-V servers by using VMM. Which two actions should you perform for each server in the perimeter network？（）
单项选择题 YoudeploytwoWindowsServer2008R2Hyper-Vservers.YoumanagetheserversbyusingMicrosoftSystemCenterVirtualMachineManager（VMM）2008R2.Youneedtoensurethatyoucanrestorevirtualmachines（VMs）intheeventofahardwarefailure.Whatshouldyoudo？（）