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: Mar 26, 2026

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Question 1

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 2

Examine the query and its output executed In an RDBMS Instance: Which three statements are true about the users (other than sys) in the output?

A : TheC# # B_ADMIN user can perform all back up and recovery operation susing RMAN only.

B : The C # # C_ADMIN user can perform the data guard operation with Data Guard Broker

C : The C # # A_ADMIN user can perform wallet operations.

D : The C # # D_ADMIN user can perform backup and recovery operations for Automatic Storage Management (ASM).

E : The C # # B_ADMIN user can perform all backup and recovery operations using RMAN or SQL* Plus.

Answer: A,B,D

Question 3

Examine this configuration:
1. CDB1 is a container database.
2. PDB1 and PDB2 are pluggable databases in CDB1.
3. PDB1 and PDB2 are OPEN in READ WRITE mode.
You execute these commands successfully: Which two are true? (Choose two.)

A : Uncommitted transactions in PDB1 have been rolled back.

B : PDB1 is closed.

C : Uncommitted transactions in CDB1 and PDB1 have been rolled back.

D : CDB1 is shut down.

E : CDB1 is in MOUNT state

Answer: A,B

Question 4

Which three statements are true about Flashback Data Archive?

A : To use Flashback Data Archive, users must have unlimited quota on the Flashback Data Archive tablespace.

B : To enable Flashback Data Archive for a table, it is mandatory to have a default Flashback Data Archive for a database

C : While enabling Flashback Data Archive for a table, if no name is provided for Flashback Data Archive, it is enabled using the default Flashback Data Archive.

D : A table enabled for Flashback Data Archive cannot be dropped unless Flashback Data Archive is disabled or disassociated first.

E : Flashback Data Archive prevents flashback queries from getting a snapshot-too-old error.

Answer: A,C,D

Question 5

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

Page: 1 / 57

Total 285 Questions | Updated On: Mar 26, 2026

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