单项选择题 Your network consists of a single Active Directory domain. The functional level of the domain is Windows Server 2003. You extend the Active Directory Schema to support a custom user attribute. You need to assign the same value to the custom attribute for 1,500 users. You must achieve this goal by using the minimum amount of administrative effort. Which tool should you use? （）

单项选择题 Your network consists of a single Active Directory domain. The functional level of the domain is Windows Server 2003. You need to assign the same street address to all user accounts located in the Users container. You must to achieve this goal by using the minimum amount of administrative effort. Which tool should you use? （）

单项选择题 Your network contains one Active Directory domain. All domain controllers run Windows Server 2003 Service Pack 2 (SP2). You have a comma delimited file that contains information for 2,000 new employees. You need to create 2,000 new user accounts by using the information in the file. You must achieve this goal by using the minimum amount of administrative effort. Which tool should you use? （）