单项选择题 Your network contains an Active Directory domain named contoso.com. You have a management  computer named Computer1 that runs Windows 7.     You need to forward the logon events of all the domain controllers in contoso.com to Computer1.     All new domain controllers must be dynamically added to the subscription.   What should you do（）

单项选择题 You need to receive an e-mail message whenever a domain user account is locked out.     Which tool should you use（）

单项选择题 You have a domain controller named Server1 that runs Windows Server 2008 R2.     You need to determine the size of the Active Directory database on Server1.     What should you do（）