单项选择题 Your network contains a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). An administrator named Admin1 logs on to Server1. Admin1 sends you a Remote Assistance invitation. You successfully establish a Remote Assistance session to Server1 by using the invitation. You request control of Server1 and you receive the following error message. You need to ensure that you can control Server1 by using Remote Assistance. What should you instruct Admin1 to do?（）

单项选择题 Your network consists of a single Active Directory domain. The domain contains 13 member servers. The member servers run Windows Server 2003 Service Pack 2 (SP2). The computer accounts for all member servers are located in an organizational unit (OU) named Servers. You need to prevent remote desktop connections to the member servers. What should you do? （）

单项选择题 You have two servers named Server1 and Server2 that run Windows Server 2003 Service Pack 2 (SP2). Both servers have Remote Desktop disabled. A user named User1 logs on to Server1 locally. You log on to Server2 locally. You need to log User1 off Server1 remotely. You must achieve this goal without restarting Server1. Which tool should you use on Server2? （）