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: Dec 17, 2025

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Question 1

Choose two You upgrade your database from pre-12c to a multitenant container database (CDB) that contains pluggable databases (PDBs). Examine the query and its output: SQL> SELECT * FROM v $PWFILE_users; USERNAME SYSDB SYSOP SYSAS SYSBA SYSDG SYSKM CON_ID ------------------------------------------------------------------------SYS TRUE TRUE FALSE FALSE FALSE FALSE 0 Which two tasks must you perform to add users with the SYSBACKUP, SYSDG, and SYSKM prileges to the password file?

A : Re-create or migrate the password file to the Oracle Database 12c format

B : Grant the SYSBACKUP, SYSDG, and SYSKM privileges to the intended users.

C : Copy the password file from a sample file in the DBS dierectory

D : Assign appropriate operating system groups to SYSBACKUP, SYSDG, and SYSKM.

Answer: A,B

Question 2

Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)

A : By default, the transported database will use Oracle Managed Files (OMF)

B : Data files can be converted on the destination system.

C : Data files can be converted on the source system.

D : A new DBID is automatically created for the transported database.

E : Databases can be transported between systems with different endian formats.

F : The password file is automatically converted by RMAN.

Answer: A,B,C

Question 3

Choose three. Which three are true about using Database Upgrade Assistant (DBUA) to upgrade a database?

A : DBUA must be launched from the target Oracle Home.

B : Multiple databases with the same ORACLE_HOME can be upgraded simultaneously.

C : A whole database backup must exist before upgrade.

D : The Pre-Upgrade Information Tool script is executed by DBUA.

E : All pluggable databases are automatically upgraded as part of a container database upgrade.

F : The database must be opened in read-only mode.

Answer: A,D

Question 4

Identify three benefits of Unified Auditing.

A : Decreased use ofstorage to store audit trail rowsin the database.

B : It improves overall auditing performance.

C : It guarantees zero-loss auditing.

D : The audit trail cannot be easily modified because it is read-only.

E : It automatically audits Recovery Manager (RMAN) events.

Answer: A,B,D

Question 5

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

Page: 1 / 57

Total 285 Questions | Updated On: Dec 17, 2025

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