单项选择题
A.Configure network load balancing on the VMs.
B.Configure Performance and Resource Optimization （PRO） Tips for the VMs.
C.In VMM， create a host group. Move the three host servers into the host group.
D.Configure a Fiber Channel logical unit number （LUN） on a SAN device. Configure your VMs to store the configuration files on the Fiber Channel LUN.
单项选择题 You host 16 virtual machines that are distributed evenly across an 8-node Windows Server 2008 R2 Hyper-V failover cluster. You plan to perform live migrations of the VMs to prepare for the installation of software updates on the cluster. You need to perform the maximum number of simultaneous live migrations. How many live migrations should you perform simultaneously？（）
单项选择题 Your virtual environment includes a Windows Server 2008 R2 Hyper-V failover cluster. You manage the environment by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. You need to configure the live migration network priorities for all virtual machines （VMs）. What should you do？（）
多项选择题 Your Hyper-V servers run Windows Server 2008 R2 Standard. You manage the virtual environment by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. You need to ensure that you can migrate child partitions between host servers. What are two possible methods that will allow you to achieve this goal？（）