Free Oracle 1Z0-084 Exam Questions

Become Oracle Certified with updated 1Z0-084 exam questions and correct answers

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Total 378 Questions | Updated On: Apr 27, 2026

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Question 1

What is the purpose of SQL Tuning Advisor in Automatic Workload Repository (AWR)?

A : It provides recommendations for creating new indexes to improve query performance.

B : It analyzes high-load SQL and provides recommendations to improve their performance.

C : It recommends configuration changes to the database to improve overall performance.

D : It provides recommendations for configuring Automatic Memory Management (AMM).

Answer: B

Question 2

Which of the following techniques is most effective for improving query performance in an Oracle database?

A : Using optimizer hints

B : Increasing the SGA size

C : Adding more indexes to the tables

D : Rewriting the SQL queries

Answer: B

Question 3

Which feature is used to improve the performance of SQL queries by caching the result set of the query in memory?

A : Query Result Cache

B : Database Buffer Cache

C : Shared Pool

D : In-Memory Column Store

Answer: A

Question 4

A company is experiencing slowness in their database due to excessive I/O during peak hours. Which solution would best optimize the performance of the database during peak hours?

A : Configure Automatic Workload Repository (AWR) snapshots to be taken every 15 minutes

B : Use Automatic Storage Management (ASM) to distribute data across multiple disks

C : Increase the size of the buffer cache to reduce the number of physical disk I/O operations

D : Implement Result Cache to reduce the CPU time required to re-execute identical queries

Answer: B

Question 5

What is the purpose of the Automatic Workload Repository (AWR) in Oracle Database 19c performance management and tuning?

A : To monitor the performance of the database, store a history of system activity, and identify potential performance issues for further analysis

B : To perform backups and recovery of the database and ensure data consistency

C : To manage users, roles, and privileges for accessing the database

D : To automate routine administrative tasks, such as space and memory management

Answer: A

Page: 1 / 76

Total 378 Questions | Updated On: Apr 27, 2026

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