Your customer is reporting less than optimal performance for their online payment
processing application. The payment processing application is running on a Windows Server
cluster with the back-end Oracle databases running on Oracle Enterprise Linux (OEL). Both
the application and database environments have been presented storage from the
customer’s VNX solution. Which tool is best suited to identify database performance issues?

A.
DBFlash

B.
Workload Analyzer

C.
IOSTAT

D.
Perfmon