Free Oracle 1Z0-083 Exam Questions

Become Oracle Certified with updated 1Z0-083 exam questions and correct answers

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Total 285 Questions | Updated On: Apr 02, 2026

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Question 1

T schema owned by the RC12C user. The RCAT11 database contains an Oracle Database version 11g catalog schema owned by the RC11 user in which several databases are registered. Both the databases are open. You execute the RMAN commands: RMAN> CONNECT CATALOG rcl2c/passl2c@catdbl2c RMAN> IMPORT CATALOG rcll/pwdcatll@ractll Which two tasks are performed as part of the import?

A : Databases from the RC12C catalog are implicitly unregistered if the RC11 catalog has registered databases with same name.

B : Recovery catalog is resynchronized with the control files of the registered databases.

C : Imported databases are unregistered from the RC11 catalog.

D : Local and global stored scripts that have the same name as existing scripts in the RC12C catalog are automatically renamed.

E : All databases registered in the RC11 catalog are registered in the RC12C catalog.

Answer: A,D

Question 2

Which two are true about creating RMAN backups for an Oracle container database?

A : Online Redo Log backups can be created while connected to CDB$ROOT

B : Control file backups can be created while connected to CDB$ROOT.

C : The BACKUP TABLESPACE command can back up a pDB tablespace even if RMAN is connected to CDB$ROOT.

D : Archived Redo Log backups can be created while connected to PDB

E : Control file backups can not be created while connected to a PDB

Answer: A,B

Question 3

Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A : Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

B : A connection to an auxiliary instance is always required.

C : A subset of the target database can be duplicated.

D : A new DBID is always created for the duplicated database.

E : A connection to the recovery catalog instance is always required.

F : A backup of the target database is always required.

G : Duplication can be done by having the target database instance push copies to the auxiliary database instance.

H : A connection to the target database instance is always required.

Answer: A,B,C

Question 4

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

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

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

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

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

Answer: A,B

Question 5

Examine this configuration: While CDB1 is open, '/u02/app/oracle/fast_recover_area/cdb1/CDB1/ controlfile02.ctl'is accidentally deleted. To recover from this critical failure, you execute these commands:
What will be the outcome?

A : It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'

B : It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'.

C : It will re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'

D : It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'.

E : It will fail because there is no autobackup of the controlfiles.

Answer: C

Page: 1 / 57

Total 285 Questions | Updated On: Apr 02, 2026

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