Which two statements are true?

Examine the commands executed to monitor database operations: Which two statements
are true?

A.
Database operations will be monitored only when they consume a significant amount of
resource.

B.
Database operations for all sessions will be monitored.

C.
Database operations will be monitored only if the STATISTICS_LEVEL parameter is set
to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC +
TUNING.

D.
Only DML and DDL statements will be monitored for the session.

E.
All subsequent statements in the session will be treated as one database operation and
will be monitored.