单项选择题 All servers on your network run Windows Server 2008 R2. You deploy Remote Desktop Services  （RDS）.You are configuring the Remote Desktop Session Host （RD Session Host） role service. You need to ensure that authentication occurs before the Remote Desktop Connection logon screen appears. What should you do？（）

多项选择题 You are configuring a virtual machine （VM） that is hosted on a Windows Server 2008 R2 Hyper-V server. The VM is currently in the Running state. You need to export the VM without loss of data. What are two possible first steps that you could perform to achieve this goal？（）

单项选择题 You create a virtual machine （VM） named Server1. You export the VM to the C：\VM folder. You need to import the VM from the correct folder. Which folder should you choose？（）