单项选择题 Your network contains an Active Directory domain named contoso.com. The domain contains hundreds of groups, many of which are nested in other groups. The domain contains a user account named user1.User1 is a direct member of 15 groups. You need to identify of which Active Directory groups User1 is a member, including the nested groups. The solution must minimize administrative effort. Which tool should you use?（）

单项选择题 Your network contains an Active Directory domain named contoso.com. The domain contains a domain controller named Server1 that runs Windows Server 2012 R2. On Server1, you create a work folder named Work1. A user named User1 connects to Work1 from a computer named Computer1. You need to identify the last time the documents in Work1 were synchronized successfully from Computer1. What should you do?（）

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?（）