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: Feb 21, 2026

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Question 1

Choose the best answer. Examine this configuration: 1. CDB1 is a container database. 2.
COMMON_USER_PREFIX is set to an empty string. 3. PDB1 is a pluggable database in CDB1. 4. APP1_ROOT is an application container in CDB1. 5. APP1_PDB1 is an application PDB in APP1_ROOT. You execute these commands: S sqlplus sys/oracle@localhost:1521/cdb1 as sysdba SQL> CREATE ROLE role1 CONTAINER=CURRENT; Which is true?

A : It will return an error because creation of a local role is not allowed in CDB$ROOT.

B : ROLE1 will be created only in CDB$ROOT.

C : It will return an error because common roles must start with C##.

D : ROLE1 will be created only in CDB$ROOT and APP1_ROOT.

E : ROLE1 will be created in CDB$ROOT, PDB1, APP1_ROOT, and APP1_PDB1.

Answer: A

Question 2

Choose two. Which two are true about a Recovery Manager (RMAN) duplication without a TARGET connection?

A : The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.

B : RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.

C : The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.

D : The UNDO TABLESPACE clause is never required.

E : RMAN 'pushes' the backups of the database to be duplicated over the network to the auxiliary instance.

Answer: A,B

Question 3

Which three are true about Automatic Workload Repository (AWR) snapshots?

A :

They are generated if STATISTICS_LEVEL is set to TYPICAL.

B :

They are always created manually.

C :

They are always created automatically.

D :

They are generated if STATISTICS_LEVEL is set to BASIC.

E :

They are generated if STATISTICS_LEVEL is set to ALL.

F :

They can be retained forever.

Answer: A,E,F

Question 4

You are working on an Oracle Database 19c database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true? (Choose two.)

A : Flashback logs are not archived.

B : Flashback logs are maintained in redo log files.

C : Flashback logs are maintained in the Flash Recovery Area.

D : Flashback logs are used to maintain Flashback Database related errors.

E : Flashback logs need to be cleared manually after you disable Flashback Database.

Answer: A,C

Question 5

Choose two. Which two are true about an RPM-based Oracle Database installation?

A : It includes the Oracle Preinstallation RPM.

B : From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance.

C : It requires an Unbreakable Linux Network (ULN) subscription.

D : It performs a software-only Oracle Database installation.

E : It uses a service configuration script to create a single-instance database as part of the installation.

Answer: B,D

Page: 1 / 57

Total 285 Questions | Updated On: Feb 21, 2026

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