You have two servers named Server1 and Server2. Both servers run Windows Server 2008 R2.  
Server1 is configured as an enterprise root certification authority （CA）.   
You install the Online Responder role service on Server2.   
You need to configure Server1 to support the Online Responder.
What should you do（）

Your company has a server that runs Windows Server 2008 R2. Active Directory Certificate Services  （AD CS） is configured as a standalone Certification Authority （CA） on the server.
You need to audit changes to the CA configuration settings and the CA security settings.
Which two tasks should you perform（）

You have a Windows Server 2008 R2 Enterprise Root CA.  
Security policy prevents port 443 and port 80 from being opened on domain controllers and on the issuing  CA.  
You need to allow users to request certificates from a Web interface. You install the Active Directory  Certificate Services （AD CS） server role.
What should you do next（）

You have a Windows Server 2008 R2 that has the Active Directory Certificate Services server role  
installed.  
You need to minimize the amount of time it takes for client computers to download a certificate revocation  list （CRL）.
What should you do（）

Your company has an Active Directory forest. You plan to install an Enterprise certification authority  （CA） on a dedicated stand-alone server.   
When you attempt to add the Active Directory Certificate Services （AD CS） server role， you find that the  Enterprise CA option is not available.   
You need to install the AD CS server role as an Enterprise CA.   
What should you do first（）

Your network consists of a single Active Directory domain. All domain controllers run Windows Server  2008 R2.  
You need to capture all replication errors from all domain controllers to a central location.  What should you do（）

Your network consists of a single Active Directory domain. All domain controllers run Windows  
Server 2008 R2.   
You need to identify the Lightweight Directory Access Protocol （LDAP） clients that are using the largest  amount of available CPU resources on a domain controller.  
What should you do（）

You need to validate whether Active Directory successfully replicated between two domain controllers.   
What should you do（）

You create 200 new user accounts. The users are located in six different sites.   
New users report that they receive the following error message when they try to log on： "The username or  password is incorrect."  
You confirm that the user accounts exist and are enabled. You also confirm that the user name and  password information supplied are correct.  
You need to identify the cause of the failure. You also need to ensure that the new users are able to log on.  
Which utility should you run（）

You need to identify all failed logon attempts on the domain controllers.  
What should you do（）