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 12, 2025

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Question 1

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 2

Choose three. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?

A : The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.

B : The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

C : The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog

D : The base catalog must be enabled for Virtual Private Catalog use.

E : The target PDB must be registered in a Virtual Private Catalog.

F : The target PDB must be registered in a base catalog.

Answer: A,C,D

Question 3

Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

A : The number of table rows is considered when evaluating the cost of accessing a table using an index.

B : Index balanced B*Tree height is considered when evaluating the cost of using an index.

C : The Statistics Advisor can help recommend the best way to gather statistics.

D : Statistics collected using DBMS_STATS always yield the best optimizer result.

E : The Statistics Advisor generates actions for all recommendations.

Answer: B,C

Question 4

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

Question 5

Which two are true about creating RMAN backups for an Oracle container database?

A : Online Redo Log backups can be created while connected to CDB$ROOT

B : Control file backups can be created while connected to CDB$ROOT.

C : The BACKUP TABLESPACE command can back up a pDB tablespace even if RMAN is connected to CDB$ROOT.

D : Archived Redo Log backups can be created while connected to PDB

E : Control file backups can not be created while connected to a PDB

Answer: A,B

Page: 1 / 57

Total 285 Questions | Updated On: Nov 12, 2025

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