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（）

单项选择题You have an Active Directory domain that runs Windows Server 2008 R2. You need to implement  a certification authority （CA） server that meets the following requirements：     - Allows the certification authority to automatically issue certificates  - Integrates with Active Directory Domain Services     What should you do（）

A.Install and configure the Active Directory Certificate Services server role as a Standalone Root CA .
B.Install and configure the Active Directory Certificate Services server role as an Enterprise Root CA .
C.Purchase a certificate from a third-party certification authority. Install and configure the Active Directory Certificate S
D.Purchase a certificate from a third-party certification authority. Import the certificate into the computer store of the sc

单项选择题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（）

A.Configure event log subscriptions.
B.Start the System Performance data collector set.
C.Start the Active Directory Diagnostics data collector set.
D.Install Network Monitor and create a new capture.

单项选择题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（）

A.Review performance data in Resource Monitor.
B.Review the Hardware Events log in the Event Viewer.
C.Run the LAN Diagnostics Data Collector Set. Review the LAN Diagnostics report.
D.Run the Active Directory Diagnostics Data Collector Set. Review the Active Directory Diagnostics report

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

A.Run the DSget command.
B.Run the Dsquery command.
C.Run the RepAdmin command.
D.Run the Windows System Resource Manager.

单项选择题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（）

A.Rsdiag
B.Rstools
C.Repadmin
D.Active Directory Domains and Trusts