You create a new Active Directory domain. The functional level of the domain is Windows Server  2008 R2. The domain contains five domain controllers.  
You need to monitor the replication of the group policy template files.  
Which tool should you use（）

Your network contains an Active Directory domain that contains five domain controllers.  You have a management computer that runs Windows 7.  
From the Windows 7 computer， you need to view all account logon failures that occur in the domain. The  information must be consolidated on one list.  
Which command should you run on each domain controller（）