A.By default, AWR snapshots are taken every 60 minutes.

B.Its collection level is determined by the value of the STATISTICS_LEVEL database parameter.

C.By default, AWR snapshots are retained for 7 days.

D.The taking of AWR snapshots can be disabled.

E.AWR data is stored in the SYSTEM tablespace.

A.Option E

B.Option A

C.Option D

D.Option C

E.Option B

A.cdb$root and pdbSseed are automatically duplicated.

B.The auxiliary Instance is automatically created with enable_pluggable_database = true.

C.A user with sysdba or sysbkup must be logged in with RMAN to the PDB to duplicate it.

D.All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.

E.Two or more PDBs can be duplicated with the same rmak duplicate command.

A.Media Management errors appear as a line with "sbtio".

B.Media Management errors appear as a line with "sbtio" and a number.

C.If an RMAN command fails, the output will identify the channel ID where the failure occurred.

D.Some messages in the error stack are not errors.

E.Media Management errors appear as a line with "Additional information" and a number.

F.If an RMAN command fails, the output will only identify the command that failed.

A.V$SESSION_EVENT

B.V$SESSTAT

C.V$SESSION_WAIT

D.V$SESSION_WAIT_CLASS

E.V$SESSION