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: Mar 13, 2025

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Question 1

Which tool can be used to identify inefficient SQL statements and tune them for improved performance?

A : L*Plus

B : R Report

C : acle Enterprise Manager

D : plain Plan

Answer: D

Question 2

Which statement accurately describes the purpose of the buffer cache in Oracle Database?

A : buffer cache stores copies of data blocks read from disk.

B : buffer cache stores the execution plans of SQL statements.

C : buffer cache stores rollback segments for undo operations.

D : buffer cache stores the control structures used by the database instance.

Answer: A

Question 3

Which statement is true regarding the sizing and tuning of the shared pool and buffer cache in Oracle Database 19c?

A : shared pool and buffer cache should always be sized to use as much memory as possible to improve performance.

B : shared pool and buffer cache should always be sized conservatively to avoid excessive memory usage.

C : shared pool and buffer cache should be sized based on the estimated workload and available memory.

D : shared pool and buffer cache should only be tuned after performance issues occur.

Answer: C

Question 4

Which approach is recommended for tuning SQL statements that perform poorly?

A : Running the SQL Access Advisor

B : nning the SQL Tuning Advisor

C : nning the SQL Performance Analyzer

D : nning the SQL Plan Management

Answer: B

Question 5

Which of the following statements about Automatic Database Diagnostic Monitor (ADDM) in Oracle Database 19c is correct?

A : ADDM only analyzes performance issues related to SQL statements.

B : DM provides recommendations for both hardware and software configurations.

C : DM requires a separate software installation and license.

D : DM can only be enabled for Oracle databases running on Oracle Exadata storage.

Answer: B

Page: 1 / 76

Total 378 Questions | Updated On: Mar 13, 2025

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