Your network contains an Active Directory domain named contoso.com. The domain contains five  domain controllers.
You add a logoff script to an existing Group Policy object （GPO）. You need to verify that each  domain controller successfully replicates the updated group policy.    
Which two objects should you verify on each domain controller（）

You remotely monitor several domain controllers.  
You run winrm.exe quickconfig on each domain controller. You need to create a WMI script query  to retrieve information from the bios of each domain controller.    
Which format should you use to write the query（）

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（）

Your network contains a single Active Directory domain. All servers run Windows Server 2008 R2.  
You deploy a new server that runs Windows Server 2008 R2. The server is not connected to the  internal network.    
You need to ensure that the new server is already joined to the domain when it first connects to  the internal network.    
What should you do（）