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: Nov 26, 2025

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Question 1

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 2

Choose three. Which three are true about cloning databases into an existing CDB with RMAN?

A :

A non-CDB can be cloned into a PDB.

B :

A user with SYSDBA or SYSBKUP must be logged in with RMAN to CDB$ROOT when cloning a PDB.

C :

Only one PDB can be cloned at a time.

D :

Two or more PDBs can be cloned with the same command.

E :

A user with SYSDBA or SYSBKUP must be logged in with RMAN to the non-CDB being cloned when cloning a non-CDB.

F :

The target and auxiliary instance passwords must be the same.

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

choose two Which two are true about RMAN image copies?

A : They can only be written to disk.

B : They can be encrypted using Transparent Data Encryption (TDE).

C : They can be used as a level 0 incremental backup.

D : They can be used as a level 1 incremental backup.

E : They are the only backup option available for databases in NOARCHIVELOG mode.

Answer: A,C

Question 5

Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)

A : It analyzes a period of time corresponding to the 12 hours of activity.

B : It runs automatically after each AWR snapshot.

C : A DBA can run it manually.

D : Results are written to the alert log.

E : It analyzes a period of time corresponding to the last day of activity.

Answer: B,C

Page: 1 / 57

Total 285 Questions | Updated On: Nov 26, 2025

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