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.