单项选择题 Your network contains an Active Directory forest named contoso.com. The forest contains a single domain. The domain contains two domain controllers named DC1 and DC2 that run Windows Server 2012 R2. The domain contains a user named User1 and three global security groups named Group1,Group2 and, Group3. You need to add User1 to Group1, Group2, and Group3. Which cmdlet should you run?（）

单项选择题 Your network contains an Active Directory domain named adatum.com. The domain contains a server named Server1 that runs Windows Server 2012 R2. On a server named Core1, you perform a Server Core Installation of Windows Server 2012 R2. You join Core1 to the adatum.com domain. You need to ensure that you can use Event Viewer on Server1 to view the event logs on Core1. What should you do on Core1?（）

单项选择题 You have a server named Server1 that runs Windows Server 2012 R2. Server1 has the Hyper-V server role installed. An iSCSI SAN is available on the network. Server1 hosts four virtual machines named VM1, VM2, VM3, and VM4. You create a LUN on the SAN to host the virtual hard drive files for the virtual machines. You need to create a 3-TB virtual hard disk for VM1 on the LUN. The solution must prevent VM1 from being paused if the LUN runs out of disk space. Which type of virtual hard disk should you create on the LUN?（）