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: Dec 17, 2025

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Question 1

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 2

Which three are true about the SQL Tuning Advisor? (Choose three.)

A : It checks each query being analyzed for stale statistics.

B : It checks each query being analyzed for missing statistics.

C : It only recommends syntactic changes to SQL statements.

D : It can recommend semantic changes to SQL statements.

E : It considers all SQL statements being analyzed by the advisor task as a group.

F : It builds SQL profiles for each poorly performing SQL statement to prevent regressions.

Answer: A,B,D

Question 3

You notice that the performance of your production 24/7 Oracle 12c database has significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance. How can you detect the cause of the degraded performance?

A : Enable Memory Access Mode, which reads performance data from SGA.

B : Use emergency monitoring to fetch data directly from SGA for analysis.

C : Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.

D : Use Active Session History (ASH) data and hang analysis in regular performance monitoring,

E : Run ADDM in diagnostic mode.

Answer: B

Question 4

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

Question 5

Which three are true about Automatic Workload Repository (AWR) and Automatic Database Diagnostic Monitor (ADDM) in an Oracle multitenant environment?

A : AWR snapshots can be created in CDB$ROOT.

B : ADDM can run in a nonroot container.

C : AWR reports can be generated while connected to any container.

D : All AWR data is stored in the CDB$ROOT SYSAUX tablespace.

E : AWR snapshots can be created in a PDB.

F : No AWR data is stored in the CDB$ROOT SYSAUX tablespace.

Answer: A,D

Page: 1 / 57

Total 285 Questions | Updated On: Dec 17, 2025

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