单项选择题 Your network contains an Active Directory domain. The domain contains a Windows Server Update Services (WSUS) server named Server1. A Group Policy object (GPO) named GPO1 configures all computers in the domain to use Server1 for Windows Update.You add a new Windows 7 computer named Computer1 to the domain.From the Update Services console, you discover that Computer1 is not listed as a member of any computer groups.You verify that GPO1 is applied to Computer1.You need to ensure that Computer1 is available in the Update Services console. What should you do？（）

多项选择题 Your network contains a Windows Server Update Services (WSUS) server named Server1. Server1 provides updates to client computers in two sites named Site1 and Site2. A WSUS computer group named Group1 is configured for automatic approval.You need to ensure that new client computers in Site2 are automatically added to Group1. Which two actions should you perform？（）

单项选择题 Your network contains a Windows Server Update Services (WSUS) server. All computers on the network are configured to download and install updates once a week.You need to deploy a critical update to a WSUS client as soon as possible. Which command should you run？（）