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 14, 2026

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Question 1

You have configured RMAN SBT channels to write backups to medi
a. You then take an RMAN backup by using this command: Which three are true? (Choose three.)

A : The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.

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 SPFILE is included in the self-contaied archival backup.

E : The control file is included in the self-contained archival backup.

F : The restore point is a label for the system change number (SCN) before the archival backup was taken.

Answer: A,B,D

Question 2

Choose three. Which three are true about RMAN archival backups with the RESTORE POINT clause?

A :

They are never considered obsolete by RMAN.

B :

They can optionally be written to a fast recovery area (FRA).

C :

Â All archive logs are retained after an archival backup is taken, until the next archival backup is taken of the same database.

D :

Archive logs are retained if they are necessary to allow the database to be recovered to a consistent state when an archival backup is restored.

E :

The SPFILE is included in the archival backup.

F :

Use of a recovery catalog is always required to support the creation and use of archival backups. G)The ARCHIVAL attribute for a backup overrides the RMAN retention policy.

G :

Answer: A,B,D

Question 3

Choose three. Which three are true about the Oracle Optimizer?

A : It considers the filters in WHERE clauses when generating execution plans for SQL statements.

B : It obeys all hints.

C : It considers object statistics when generating execution plans for SQL statements.

D : It updates stale object statistics in the Data Dictionary.

E : It can only use SQL Plan Directives tied to the SQL statement for which a plan is being generated.

F : It can re-optimize execution plans after previous executions detect suboptimal plans.

Answer: A,D

Question 4

Which three are true about opatch auto? (Choose three.)

A : It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.

B : It must be invoked by a user with root user privileges.

C : Patches are applied via opatchauto.

D : Users must always input patch plans to opatchauto.

E : It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.

F : It applies patches in nonrolling mode by default.

G : It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.

Answer: A,B

Question 5

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

Page: 1 / 57

Total 285 Questions | Updated On: Apr 14, 2026

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