单项选择题 Your network includes the servers shown in the following table. Server n ame Operating s ystem Role s ervices S erver 1 Windows Server 2008 R2 Standard RDS Licensing S erver 2 Windows Server 2008 R2 Enterprise Remote Desktop Server3 Windows Server 2008 R2 Enterprise Remote Desktop Per-device Remote Desktop Services client access licenses （RDS CALs） are installed on Server1. After you refresh a group of client computers with Windows 7， users on those computers can no longer connect to Server2. You need to ensure that the users can connect to remote applications. What should you do？（）

多项选择题 Your company has a Microsoft Hyper-V Server 2008 R2 environment. You manage the virtual environment by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. Virtual machines （VMs） will use Microsoft iSCSI Software Initiator to connect to the shared storage volumes within the guest operating system. You need to configure the VMM host server to optimize the network environment for iSCSI traffic. Which two actions should you perform？（）

多项选择题 Your company has an Active Directory Domain Services （AD DS） domain. You have a Windows Server 2008 R2 Hyper-V server. You manage the virtual environment by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. You need to ensure that a user can create new virtual machines （VMs） on only a specific set of servers . The user must not be able to see or manage servers outside of that set within VMM . Which two actions should you perform？（）