You work as the enterprise exchange administrator at TestKing.com. You are responsible for managingthe Exchange Server 2010 environment. You are in the process of devising a plan to install a monitoringsolution for the Exchange Server 2010 environment. You receive notification to propose a solution tomanagement for tracking of the usage of ActiveSync clients as well as analyzing the usage trends. What should you do？（）

• A、Test best option is to include the Exchange Server Performance Troubleshooter in the solution.
• B、Test best option is to include the Internet Information Server log files in the solution.
• C、Test best option is to include the Microsoft System Control Configuration Manager in the solution.
• D、Test best option is to include the Exchange Server Mail Flow Troubleshooter in the solution.