单项选择题 Your network contains a single Active Directory domain named contoso.com. The functional level of the domain is Windows 2000 mixed. You have a domain controller named DC1 that runs Windows Server 2003 Service Pack 2 (SP2). DC1 hosts a standard primary zone for contoso.com. You need to ensure that only computers in the contoso.com domain can register host records in the contoso.com zone.  What should you do?（）

单项选择题 You are the network administrator for your company. The network consists of a single Active Directory domain. The domain contains 35 Windows Server 2003 computers; 3,000 Windows XP Professional computers; and 2,000 Windows 2000 Professional computers.  Windows Server Update Services (WSUS) is installed on a server named Server1. The necessary Group Policy object (GPO) is configured. You need to confirm whether all computers in the domain have received all approved updates from Server1.  What should you do on Server1?（）

单项选择题 Your network consists of a single Active Directory domain named Contoso.com. You have a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You have two domain user accounts named Admin1 and User1. Admin1 is a member of the Administrators group on Server1. User1 is a member of the Domain Users group only.  You log on to Server1 as User1. You need to run several administrative tools. You must minimize the number of times you are prompted to enter a username and password when starting the tools. You must achieve this goal without logging off from Server1.  What should you do?（）