Free Oracle 1Z0-083 Exam Questions

Become Oracle Certified with updated 1Z0-083 exam questions and correct answers

Page: 1 / 57

Total 285 Questions | Updated On: Apr 22, 2026

Add To Cart

Question 1

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 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

Choose the best answer. SQL Performance Analyzer (SPA) has reported several regressed SQL statements for one of your databases. Which action could help in the performance management of these regressed SQL statements?

A : Create SQL plan directives for each of the regressed statements.

B : Use The SQL Tuning Advisor for each of the regressed statements.

C : Create an adaptive execution plan for each of the regressed statements

D : Use the SQL Access Advisor for each of the regressed statements.

Answer: B

Question 4

Which three are true about requirements for various FLASHBACK operations? (Choose three.)

A : FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.

B : FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.

C : FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.

D : FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.

E : FLASHBACK drop requires undo to retrieve all versions of a row that existed two points in time.

F : FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.

Answer: A,B

Question 5

Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)

A : A PDB snapshot is always a full copy of the source PDB.

B : A PDB snapshot is always a sparse copy of the source PDB.

C : A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.

D : A PDB snapshot depends on a storage snapshot which can be stored on any file system.

E : A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.

F : A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.

G : A snapshot copy PDB can be created from a stand-alone clone PDB.

Answer: A,C

Page: 1 / 57

Total 285 Questions | Updated On: Apr 22, 2026

Add To Cart