Free Access Oracle.1Z1-083.v2022-11-09.q168 Practice Test (Page 9)

Question 36

Which two are true about RMAN encryption? (Choose two.)

A.RMAN encryption keys are stored in a database keystore.

B.RMAN can encrypt the Oracle Database password file.

C.Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.

D.The SET ENCRYPTION command overrides encryption settings specified by the CONFIGURE ENCRYPTION command.

E.Password encryption can be persistently configured using the CONFIGURE ENCRYPTION command.

Question 37

Examine this configuration:
1. CDB1is a container database.
2. PDB1 and PDB2are pluggable databases in CDB1.
3. PDB1 and PDB2are OPENin READ WRITEmode.
You execute these commands successfully:

Which two are true? (Choose two.)

A.Uncommitted transactions in PDB1have been rolled back.

B.Uncommitted transactions in CDB1and PDB1have been rolled back.

C.CDB1is shut down.

D.PDB1is closed.

E.CDB1is in MOUNT state

Question 38

Which three are true in Oracle 19c and later releases? (Choose three.)

A.Tablespaces always remain in read/write mode during transportable tablespace operations.

B.A transportable data pump import can leave a plugged-in tablespace in read/write mode.

C.A transportable data pump import can leave a plugged-in tablespace in read-only mode.

D.Simultaneous data pump jobs can be limited at the pluggable database (PDB) level.

E.An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported.

F.Tablespaces never remain in read/write mode during transportable tablespace operations.

Question 39

choose two Examine these RMAN commands: RMAN> CONNECT TARGET "sbu@prod AS SYSBACKUP"; RMAN> CONNECT AUXILIARY "sbu@dup_db AS SYSBACKUP"; RMAN> DUPLICATE TARGET DATABASE TO dup_db FROM ACTIVE DATABASE PASSWORD FILE SECTION SIZE 400M; Which two statements are true about the DUPLICATE comman

A.No catalogued backup of the TARGET is used to duplicate the databa

B.It fails because no parallel channels are allocated for the auxiliary databa

C.It fails because connection to the AUXILIARY instance must be as SYSD

D.It succeed

E.Itsucceeds only if the target database is greater than 40

Question 40

Which two are true about poorly performing SQL statements and their tuning in Oracle database instances?
(Choose two.)

A.SQL statements performing many physical I/Os can always have their performance improved by creating indexes.

B.SQL statements doing joins always do more physical I/O than single table queries.

C.The solution that best optimizes one SQL statement can degrade the performance of others.

D.SQL statements doing only logical reads never require tuning because they do no physical I/O.

E.Poorly performing SQL statements can be tuned automatically by the Oracle server.

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Question 36

Question 37

Question 38

Question 39

Question 40

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