Most Recent Oracle 1Z0-083 Exam Dumps

Prepare for the Oracle Database Administration II exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-083 exam and achieve success.

The questions for 1Z0-083 were last updated on Feb 19, 2025.

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Question No. 1

A user complains about poor database performance.

You want to verify if the user's session has waited for certain types of I/O activity. Which view displays all waits waited on by a session at least once?

AV$SESSION_EVENT

BV$SESSTAT

CV$SESSION_WAIT

DV$SESSION_WAIT_CLASS

EV$SESSION

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Correct Answer: A

Question No. 2

Which two are true about RMAN Multisection backups when a very large data file is divided into four sections?

(Choose two.)

AEach of the file sections must be processed serially.

BThe four sections can be created serially.

CThe four sections must be image copies.

DThe four sections can be created in parallel.

EThe four sections must be contained in backup sets.

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Correct Answer: D, E

Question No. 3

Which two are true about RMAN encryption? (Choose two.)

ARMAN encryption keys are stored in a database keystore.

BRMAN can encrypt the Oracle Database password file.

CDual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.

DThe SET ENCRYPTION command overrides encryption settings specified by the CONFIGURE ENCRYPTION command.

EPassword encryption can be persistently configured using the CONFIGURE ENCRYPTION command.

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Correct Answer: C, D

Question No. 4

Examine these queries and their output:

An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1.

How do you achieve this?

AExecute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1.

BExecute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1.

CExecute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT.

DExecute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT.

EThis cannot be done due to the lack of a clean restore point.

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Correct Answer: B

Question No. 5

How do you configure a CDB for local undo mode?

AOpen the CDB instance in upgrade mode. In cdb$root, execute alter database local undo on, and then restart the CDB instance.

BOpen the CDB in read-only mode. In cdb$root, execute alter database local undo on, and then change the CDB to read/write mode.

COpen the CDB instance in restricted mode. In cdb$root, execute alter database local undo on. create an undo tablespace in each PDB, and then restart the CDB instance

DOpen the CDB instance in restricted mode. In cdb$root, drop the undo tablespace. Execute alter database local undo on in each PDB, and then restart the CDB instance.

EOpen the CDB instance in upgrade mode. In each PDB, execute alter database local undo on, create an undo tablespace, and then restart the CDB instance.

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Correct Answer: D

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