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 12, 2026

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Question 1

Which three are true about Automatic Workload Repository (AWR)? (Choose three.)

A : By default, AWR snapshots are taken every 60 minutes.

B : Its collection level is determined by the value of the STATISTICS_LEVEL database parameter.

C : By default, AWR snapshots are retained for 7 days.

D : The taking of AWR snapshots can be disabled.

E : AWR data is stored in the SYSTEM tablespace.

Answer: A,B,D

Question 2

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 3

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 4

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 5

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

Page: 1 / 57

Total 285 Questions | Updated On: Jan 12, 2026

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