When might it be useful to connect HP Diagnostics to a test run? (Select two.)

A.
when the test goal is ensuring non-regression since latest application deployment

B.
when the test goal is diagnosing network bottlenecks under heavy load

C.
when the test goal is related to backend performance

D.
when the test goal is tuning target Java or .Net application

E.
when the test goal is ensuring target machine CPUs can sustain heavy load