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: Jan 28, 2026

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Question 1

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 2

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 3

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 4

choose two You take your database backups by using the RMAN media management interface (MMI). Which two are true about the use of the RMAN MMI?

A :

Integration with Third-Party Media Managers

B :

Use of SBT (Sun Business Talk) Interface

C :

Channel Allocation

D :

Requires Configuration

E :

Vendor-Specific Modules

Answer: A,D

Question 5

Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A : Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

B : A connection to an auxiliary instance is always required.

C : A subset of the target database can be duplicated.

D : A new DBID is always created for the duplicated database.

E : A connection to the recovery catalog instance is always required.

F : A backup of the target database is always required.

G : Duplication can be done by having the target database instance push copies to the auxiliary database instance.

H : A connection to the target database instance is always required.

Answer: A,B,C

Page: 1 / 57

Total 285 Questions | Updated On: Jan 28, 2026

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