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

T schema owned by the RC12C user. The RCAT11 database contains an Oracle Database version 11g catalog schema owned by the RC11 user in which several databases are registered. Both the databases are open. You execute the RMAN commands: RMAN> CONNECT CATALOG rcl2c/passl2c@catdbl2c RMAN> IMPORT CATALOG rcll/pwdcatll@ractll Which two tasks are performed as part of the import?

A : Databases from the RC12C catalog are implicitly unregistered if the RC11 catalog has registered databases with same name.

B : Recovery catalog is resynchronized with the control files of the registered databases.

C : Imported databases are unregistered from the RC11 catalog.

D : Local and global stored scripts that have the same name as existing scripts in the RC12C catalog are automatically renamed.

E : All databases registered in the RC11 catalog are registered in the RC12C catalog.

Answer: A,D

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

Choose the best answer. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?

A :

log writer performance

B :

database writer performance

C :

general operating system health

D :

SQL statements

E :

database instance memory management and sizes

Answer: C

Question 4

Which two are true about common objects? (Choose two.)

A : They can be created only in CDB$ROOT.

B : They can be only metadata-linked in an application container.

C : They can exist in user-defined schemas only in application containers.

D : They can exist in CDB$ROOT and an application root.

E : They can be extended data-linked in CDB$ROOT. F. They can be created only in an application root.

Answer: D

Question 5

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

Page: 1 / 57

Total 285 Questions | Updated On: Nov 26, 2025

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