单项选择题
A.Network Interface Bytes Total/sec
B.Hyper-V Virtual Switch Bytes/sec
C.Hyper-V Virtual Network Adapter Bytes Sent/sec
D.Hyper-V Virtual Network Adapter Bytes Received/sec
单项选择题 You have a Windows Server 2008 R2 Hyper-V failover cluster. You manage the cluster by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. You plan to monitor the environment by using Microsoft System Center Operations Manager 2007. You need to identify when Hyper-V server load exceeds specific CPU and memory thresholds， and you must rebalance the environment accordingly. What should you do？（）
单项选择题 You deploy two Windows Server 2008 R2 Hyper-V servers. You manage the servers by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. You need to ensure that you can restore virtual machines （VMs） in the event of a hardware failure. What should you do？（）
单项选择题 You configure a Windows Server 2008 R2 Hyper-V server with several virtual machines （VMs）. A software vendor releases a software update for an application that runs on only one of the VMs. You need to plan a strategy that enables you to install and test the update without interrupting business operations and without corrupting data. What should you do first？（）
