You are a desktop support technician for your company. Your company hosts Web applications on a computer that runs Windows Vista. A user reports that the response time of the Web application has degraded. You need to identify why the response time of the Web application has degraded. What should you do?

A.
Enable the RAC_PS Event Trace Session.

B.
Run Microsoft Baseline Security Analyzer (MBSA).

C.
Verify the Internet Explorer security options.

D.
Start the system performance Data Collector Set.