An application spends 90% of its time in a complex servlet and the rest (10%) of time in a short JDBC query. On average, only 10% of the servlets are using database connections at any time. The application starts to perform poorly after a new batch of users are introduced to the system.
What measures should the administrator recommend to determine the root cause of the problem?

A.
Install Tivoli Performance Viewer (TPV) as IBM Support Assistant (ISA) add-on.

B.
View advice messages in Tivoli Performance Viewer (TPV) by clicking the Advisor link.

C.
Turn on Performance and Diagnostic Advisor in IBM Support Assistant (ISA) as a collector.

D.
Install Tivoli Composite Application Manager (ITCAM) as IBM Support Assistant (ISA) add-on.