单项选择题 You add the Hyper-V role to your Windows Server 2008 R2 Datacenter server. You see the following error in the Windows system event log： Hype-V launch failed： No-execute （NX） or DEP not enabled on processor 0x0 （check BIOS settings）. You need to be able to start the Hyper-V services. What should you do？（）

多项选择题 You install Windows Server 2008 R2 Enterprise （Full Installation）. You need to add the Hyper-V role to the server. What are two possible ways to achieve this goal？（）

单项选择题 All servers on your companys network run Windows Server 2008 R2. You deploy Remote Desktop Services （RDS）. The company has a load-balanced Remote Desktop Connection Broker （RD Connection Broker） cluster. You are adding a Remote Desktop Session Host （RD Session Host） server to the cluster. You need to ensure that the RD Session Host server will receive only half of the RDS sessions. What should you do？（）