单项选择题 Your network contains an Active Directory domain named contoso.com. You log on to a domain controller by using an account named Admin1. Admin1 is a member of the Domain Admins group. You view the properties of a group named Group1 as shown in the exhibit. (Click the Exhibit button.) Group1 is located in an organizational unit (OU) named OU1. You need to ensure that you can modify the Security settings of Group1 by using Active Directory Users and Computers. What should you do from Active Directory Users and Computers?（）

多项选择题 Your network contains an Active Directory domain named contoso.com. The domain contains a server named Server1 that runs Windows Server 2012 R2 and a server named Server2 that runs Windows Server 2008 R2 Service Pack 1 (SP1).Both servers are member servers. On Server2, you install all of the software required to ensure that Server2 can be managed remotely from Server Manager. You need to ensure that you can manage Server2 from Server1 by using Server Manager. Which two tasks should you perform on Server2?（）

单项选择题 You perform a Server Core Installation of Windows Server 2012 R2 on a server named Server1. You need to add a graphical user interface (GUI) to Server1. Which tool should you use?（）