You are the network administrator for . Your network consists of a single Active Directory domain named . All network servers run Windows Server 2003, and all client computers run Windows XP Professional. You install a new file and print server named File1. You configure standard company policies and other local options. You use third-party software to create and save an image of the server. Then you join File1 to the domain. Six weeks later, you reapply the saved image to File1 and restart the server. You try to log on to the domain by using domain credentials. However, you are unsuccessful. You need to log on to File1 and re-establish its domain membership. Your solution must require the minimum amount of administrative effort. Which two actions should you perform? （）(Each correct answer presents part of the solution. Choose two)

• A、Reset the computer account for File1 in Active Directory Users and Computers.
• B、Reset the password for Administrator account by logging on locally to File1 as a member of the local Power Users group.
• C、Reinstall and reconfigure File1.
• D、Join File1 to the domain.
• E、Remove File1 from the domain.