单项选择题 Your network consists of a single Active Directory domain named Contoso.com. All servers run Windows Server 2003 Service Pack 2 （SP2）. All client computers run Windows XP Professional Service Pack 3 （SP3）.You create an organizational unit （OU） that contains a computer account named Computer1.  A Group Policy object （GPO） is linked to the OU and contains settings to enforce the use of IPSec. You log on to Computer1 by using a user account named User1. You need to verify that the IPSec settings have been applied.  Which command should you run？（）

单项选择题 You have a server that runs Windows Server 2003 Service Pack 2 （SP2） and Windows Server Update Services （WSUS） 3.0. You need to view the approved WSUS updates that have been superseded by newer updates. You want to achieve this goal by using the minimum amount of administrative effort.  What should do you do？（）

多项选择题 Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. All client computers run Windows XP Professional Service Pack 3 （SP3）.Computer accounts for the client computers are located in three organizational units （OUs） named OU1， OU2， and OU3.  You install Windows Server Update Services （WSUS） 3.0 on a member server named Server1. On Server1， you create three WSUS computer groups named OU1， OU2， and OU3. You need to ensure that each client computer is assigned automatically to the WSUS computer group that corresponds to the OU in which the computer account resides.  Which two actions should you perform？（）