单项选择题 You manage a software update infrastructure by using Windows Server Update Services (WSUS) 3.0. All client computers run Windows XP Professional Service Pack 3 (SP3). The client computers receive Automatic Updates from the WSUS server, and they are configured to install Automatic Updates immediately. From the Update Services console, you approve a required security update for all client computers. You need to force a client computer to apply the required security update as soon as possible. Which tool should you use? （）

单项选择题 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 Service Pack 3 (SP3). You install and configure Microsoft Windows Server Update Services (WSUS) 3.0 on a member server named Server1. You create a new Group Policy Object named GPO1 that enables automatic updating. You link GPO1 to the domain. You need to ensure that each client computer obtains software updates from Server1. What should you do? （）

单项选择题 You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server has one hard disk that contains one volume. You need to receive a notification when the volume has less than 15 percent free disk space. What should you do? （）