多项选择题 You manage your virtual environment by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2 running on the internal network. You have several host servers in a perimeter network （also known as DMZ）. You are installing VMM agents on the host servers. You need to ensure that the agents can communicate with the VMM server. Which two elements should you configure？（）

单项选择题 You create a virtual machine （VM） on a Windows Server 2008 R2 Hyper-V server. The VM has a single VHD file that is connected to an IDE controller.  You need to add five new virtual disks to the VM. You must minimize the amount of virtual hardware. What should you do？（）

单项选择题 You are configuring a Windows Server？2008？R2 Hyper-V failover cluster. You configure five iSCSI logical unit numbers （LUNs） on shared storage， and you present them to the first server. Each LUN appears twice in the Disk Management console.  You need to ensure that each LUN appears only once in the Disk Management console. What should you do？（）