单项选择题 Your network contains an Active Directory domain. The domain contains four domain controllers.  You modify the Active Directory schema.  You need to verify that all the domain controllers received the schema modification.     Which command should you run（）

单项选择题 YournetworkcontainsasingleActiveDirectorydomain.AllserversrunWindowsServer2008R2. YoudeployanewserverthatrunsWindowsServer2008R2.Theserverisnotconnectedtotheinternalnetwork. Youneedtoensurethatthenewserverisalreadyjoinedtothedomainwhenitfirstconnectstotheinternalnetwork. Whatshouldyoudo（）

单项选择题 Your network contains a domain controller that runs Windows Server 2008 R2.     You need to change the location of the Active Directory log files.     Which tool should you use（）