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: Jun 16, 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

Examine the RMAN command: RMAN> RUN { ALLOCATE CHANNEL c1 DEVICE TYPE sbt; ALLOCATE CHANNEL c2 DEVICE TYPE sbt; ALLOCATE CHANNEL c3 DEVICE TYPE sbt; BACKUP INCREMENTAL LEVEL = 0 (DATAFILE 1,4,5 CHANNEL c1) (DATAFILE 2,3,9 CHANNEL c2) (DATAFILE 6,7,8 CHANNEL c3); SQL 'ALTER SYSTEM ARCHIVE LOG CURRENT'; } Which statement is true about the command?

A : It uses multisection backup.

B : It uses parallelization for the backup set.

C : It uses asynchronousI/O for the backup.

D : It creates compressed backup sets.

Answer: B

Question 3

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 4

Choose three. In a single-instance, multitenant container database (CDB), which three are only ever defined in or part of CDB$ROOT?

A : redo logs

B : control files

C : all data dictionary metadata

D : user-defined PL/SQL packages

E : temporary tablespaces

F : mandatory Oracle-supplied PL/SQL packages

G : undo tablespaces

Answer: A,B,C

Question 5

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

Page: 1 / 57

Total 285 Questions | Updated On: Jun 16, 2026

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