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Oracle Database Administration II Sample Questions (Q16-Q21):
NEW QUESTION # 16
You have configured RMAN SBT channels to write backups to media.
You then take an RMAN backup by using this command:
Which three are true? (Choose three.)
- A. The control file is included in the self-contained archival backup.
- B. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.
- C. All archive logs created after this backup are kept for two years.
- D. The restore point is a label for the system change number (SCN) before the archival backup was taken.
- E. The SPFILE is included in the self-contaied archival backup.
- F. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.
Answer: A,C,E
NEW QUESTION # 17
Examine these queries and their output:
After a system crash, an instance restart and an attempted opening of the PDBs result in:
Which two are true? (Choose two.)
- A. Data file 24 must be recovered while the CDB is opened.
- B. Data file 24 can be recovered while PDB2 is opened.
- C. Data file 24 cannot be recovered while the CDB is opened.
- D. Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened.
- E. Data file 24 must be recovered while PDB2 is closed.
19c: PDB SYSTEM or UNDO Tablespace Recovery: The CDB and all other PDBs can be left opened. 1. Connect to PDB 2. Shutdown abort the PDB, if its not automatically done. sqlplus [email protected]_pdb as sysdba sql> SHUTDOWN ABORT; OR ALTER PLUGGABLE DATABASE CLOSE ABORT; rman target [email protected]_pdb rman> restore database; rman> recover database; rman> alter pluggable database sales_pdb open;
Answer: A,B
NEW QUESTION # 18
Which three are true about monitoring waits for sessions and services? (Choose three.)
- A. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.
- B. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.
- C. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
- D. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
- E. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.
- F. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.
Answer: A,C,E
NEW QUESTION # 19
Which two are true about creating RMAN backups for an Oracle container database?
- A. The backup pluggable database command can be used to back up cdb$root.
- B. spfile backups can be created while connected to an application root PDB.
- C. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
- D. The backup database command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
- E. The backup database plus archivelog command will back up archive logs when RMAN is connected to a PDB.
Answer: D,E
NEW QUESTION # 20
Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)
- A. A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.
- B. A snapshot copy PDB can be created from a stand-alone clone PDB.
- C. A PDB snapshot depends on a storage snapshot which can be stored on any file system.
- D. A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.
- E. A PDB snapshot is always a sparse copy of the source PDB.
- F. A PDB snapshot is always a full copy of the source PDB.
- G. A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.
Answer: F,G
Explanation:
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/18/multi/administering-pdb- snapshots.html#GUID-35B03C37-00BA-4945-BF20-9A7C4C541955
NEW QUESTION # 21
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