You have an Exchange Server 2010 organization.  The organization contains a global security group named Group1.  You plan to deploy a monitoring solution for the Exchange servers in your organization.  You need to recommend a solution that allows members of Group1 to monitor the performance of Exchange Server 2010 servers.  Your solution must prevent members of Group1 from modifying the configurations of the Exchanges Server 2010 organization.  What should you include in the solution？（）

• A、Delegation of Control Wizard
• B、Federation Trusts
• C、Reliability Monitor
• D、Role Based Access Control （RBAC）