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 11, 2026

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Question 1

Choose three. In which three situations can you use threshold server-generated alerts to help diagnose and fix problems?

A : when free space in a dictionary managed tablespace falls below a specified percentage

B : when free space in a locally managed tablespace falls below a specified percentage

C : when the total number of locked user account exceeds a specific value

D : when the number of logons per second exceeds a specific value

E : when a resumable statement is suspended

F : when the total number of logons exceeds a specific value

Answer: B,C,D

Question 2

Choose three. Your container database, CDB1, is in local undo mode. You successfully execute this command while connected to CDB1: CREATE PLUGGABLE DATABASE pdb1 ADMIN USER pdb1_admin IDENTIFIED BY pdb123 ROLES= (CONNECT) CREATE_FILE_DEST='/u01/app/oracle/oradata/cdb1/pdb1' ; Which three are true about PDB1?

A :

It has the same common users defined as does CDB1.

B :

It has only local roles.

C :

It has the same number of roles as CDB1.

D :

Service PDB1 is created for remote logins to PDB1.

E :

It is in mount state after creation.

F :

It has no local users.

Answer: A,B,D

Question 3

Choose three. Which three are true about block media recovery?

A :

To use it, Flashback Database must be enabled.

B :

A block being recovered is not accessible.

C :

It cannot repair logical corruption.

D :

It can be performed on noncorrupt blocks.

E :

The target database for which one or more blocks are to be recovered must be in the OPEN state.

F :

The data file containing the block being recovered remains online.

Answer: B,C,F

Question 4

choose one You take regular backups of one of your production databases by using RMAN with a recovery catalog. You have added two new tablespaces to this database which must be included in future backups. Which process occurs which allows the new backups to contain the new datafiles?

A : The target database control file is synchronized from the recovery catalog with a partial resync at the next backup.

B : The recovery catalog is synchronized from the target database control file with a full resync at the next backup.

C : The target database control file is synchronized from the recovery catalog with a full resync at the next backup.

D : The recovery catalog is synchronized from the target database control file with a partial resync at the next backup.

Answer: B

Question 5

Choose two. Which two are true about RMAN persistent configuration settings, administration, and their effects?

A : A DBA must specify either a redundancy retention policy or a recovery window retention policy. B)A target database-s persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.

B : Backups older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.

C : Backups written to the fast recovery area (FRA) that are obsolete based on the redundancy retention policy can be deleted automatically to free space.

D : A target database-s persistent RMAN configuration settings are always stored in the target-s control file

Answer: C,D

Page: 1 / 57

Total 285 Questions | Updated On: Feb 11, 2026

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