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？（）

A.Enable Cluster Shared Volumes （CSVs）.
B.In Failover Cluster Manager， edit the properties of a single VM.
C.In Virtual Network Manager， edit the properties of the virtual network.
D.In Hyper-V Manager， take each VM offline and edit the settings of each VM.

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？（）

A.live migration
B.SAN migration
C.quick migration
D.network migration

单项选择题Your company has a Microsoft Hyper-V Server 2008 R2 environment. You manage the environment by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. You plan to install 3 host servers and 15 child partitions in the virtual environment. You will perform child partition placements by using SAN migration. You need to place the appropriate number of child partitions on each logical unit number （LUN） to support SAN migrations. How many child partitions should you place on each LUN？（）

A.1
B.3
C.5
D.15

多项选择题Your company has a Microsoft Hyper-V Server 2008 R2 environment. You need to manually back up a child partition while it is turned off. Which two elements should you back up？（）

A.the system state
B.the InitialStore.xml file
C.the child .vhd files
D.the child .xml configuration file

单项选择题You have a Windows Server 2008 R2 Hyper-V server. One of the virtual machines （VMs） that is hosted on the server has a directly attached physical disk. You need to back up the VM. What should you do？（）

A.Perform a full server backup on the VM.
B.Perform a critical-volume backup on the VM.
C.Perform a full server backup on the host server.
D.Perform a critical-volume backup on the host server.