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: Jan 04, 2026

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Question 1

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 2

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 3

Choose three. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?

A : The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.

B : The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

C : The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog

D : The base catalog must be enabled for Virtual Private Catalog use.

E : The target PDB must be registered in a Virtual Private Catalog.

F : The target PDB must be registered in a base catalog.

Answer: A,C,D

Question 4

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 5

Choose the best answer. Examine this output of an export from the current release of an Oracle multitenant database: $ sqlplus system/oracle . SQL> col name for a10 SQL> select name, open_mode from v$pdbs; NAME OPEN_MODE ---------------------------------------PDB$SEED READ ONLY PDB1 READ WRITE PDB2 MOUNTED SQL> exit Next you execute: $ expdp system/oracle full=y What is the outcome?

A : It fails because Data Pump cannot be container.

B : It creates a full export of the root

C : It creates a full export of only the used while connected to the root container and PDB1. container and all PDBs. container and all open PDBs. root container.

Answer: A

Page: 1 / 57

Total 285 Questions | Updated On: Jan 04, 2026

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