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？（）

单项选择题Your network contains Microsoft System Center Virtual Machine Manager and 10 Hyper-V hosts. You plan to convert all of the domain controllers to virtual machines （VMs）. You need to recommend a recovery solution for the domain controllers. The solution must meet the following requirements： - Prevent inconsistencies in the Active Directory database. - Provide for the recovery of accidentally deleted Active Directory objects. - Provide for recovery if an administrator incorrectly modifies system settings. What should you include in the recommendation？（）

A.VM snapshots
B.a VM checkpoint
C.Windows Server Backup from within the VMs
D.Windows Server Backup from the Hyper-V hosts

多项选择题Your company’s network environment includes the hypervisors described in the following table. You manage the Microsoft Hyper-V Server 2008 server by using Microsoft System Center Virtual Machine Manager （SCVMM） 2008. You need to be able to manage all the hypervisors by using VMM. Which two actions should you perform？（）

A.Upgrade the VMware ESX 3.0 host servers to VMware ESX 4.0
B.Upgrade the VMware ESX 3.0 host servers to VMware ESX 3.5
C.Install VMware VirtualCenter 2.5 in the existing VMware ESX environment
D.Upgrade from SCVMM 2008 to SCVMM 2008 R2

单项选择题All servers on your company’s network run Windows Server 2008 R2. All client computers run Windows 7. The company is planning to virtualize an application that runs only on Windows XP. You need to recommend a Virtualization solution that enables users to access the virtualized application while their computers are disconnected from the corporate network. Which technology should you recommend？（）

A.Microsoft Virtual Desktop Infrastructure （VDI）
B.Microsoft Enterprise Desktop Virtualization （MED-V）
C.Microsoft Application Virtualization （App-V）
D.Remote Desktop Services （RDS）

单项选择题Your network contains 10 servers that run Windows Server 2008 R2 Enterprise. The servers are configured as shown in the following table. Server1 and Server2 are members of the same failover cluster. Both servers are connected to a Fibre Channel Storage Area Network （SAN） by using four Fibre Channel connections per server. You plan to deploy Microsoft SQL Server 2008 R2 to VM1 and VM2. You need to recommend a solution to ensure that SQL Server services are available if any of the following servers restarts： - VM1 - VM2 - Server1 - Server2   What should you include in the recommendation？（）

A.a pass-through disk
B.Failover Clustering on the VMs
C.Multipath I/O
D.Performance and Resource Optimization （PRO）
E.Windows System Resource Manager （WSRM）
F.SQL Server Resource Governor on the Hyper-V hosts
G.Network Load Balancing （NLB） on the Hyper-V hosts
H.a differencing VHD
I.a dynamically expanding VHD
J.round robin DNS
K.Cluster Shared Volumes （CSV）
L.Network adapter teaming
M.Network Load Balancing （NLB） on the VMs

多项选择题Your network contains a Hyper-V host named Host1 that runs Windows Server 2008 R2. The host is connected to VLAN ID 10. For testing purposes， you plan to deploy several virtual machines （VMs） on the Host1. You need to recommend which virtual networks must be created for the VMs. The solution must ensure that the VMs can only connect to other VMs. Which network configuration or configurations should you recommend？（）

A.an external network on VLAN ID 10
B.an internal network on VLAN ID 11
C.an external network on VLAN ID 11
D.a private network on VLAN ID 10
E.an internal network on VLAN ID 10