When should the Data Collector’s Default Monitoring Level be set at L3 (Tracing Mode)?

A.
When the application is in a pre-production testing environment.

B.
When the application is in a steady state production environment.

C.
When the Application Development team is doing deep dives into problems with the monitored
application.

D.
After an monitored application has been upgraded so that the performance of the upgrade may
be evaluated over a period of time.