Online 1Z0-084 Practice Test

Question 1

When using Automatic Memory Management in Oracle Database 19c, what is the purpose of the MEMOPTIMIZE_POOL_SIZE parameter?

Options :

A : It specifies the maximum size of the SGA.

B : It determines the size of the shared pool.

C : It controls the amount of memory reserved for PGA usage.

D : It adjusts the amount of memory allocated to the memoptimize pool.

Answer: D

Question 2

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

Options :

A :

Running the SQL Access Advisor

B : Running the SQL Tuning Advisor

C : Running the SQL Performance Analyzer

D : Running the SQL Plan Management

Answer: B

Question 3

What is the purpose of the shared pool in the Oracle Database and what is the recommended value for the SHARED_POOL_SIZE parameter in the init.ora file? A. The shared pool is used to store parsed SQL statements, and the recommended value for the SHARED_POOL_SIZE parameter is 256 MB B. The shared pool is used to store parsed SQL statements, and the recommended value for the SHARED_POOL_SIZE parameter varies depending on the size of the database C. The shared pool is used to store user session information, and the recommended value for the SHARED_POOL_SIZE parameter is 1 GB D. The shared pool is used to store database buffer cache, and the recommended value for the SHARED_POOL_SIZE parameter is 512 MB

Options :

A : The shared pool is used to store parsed SQL statements, and the recommended value for the SHARED_POOL_SIZE parameter is 256 MB

B : The shared pool is used to store parsed SQL statements, and the recommended value for the SHARED_POOL_SIZE parameter varies depending on the size of the database

C : The shared pool is used to store user session information, and the recommended value for the SHARED_POOL_SIZE parameter is 1 GB

D : The shared pool is used to store database buffer cache, and the recommended value for the SHARED_POOL_SIZE parameter is 512 MB

Answer: A

Question 4

Which of the following is a benefit of using Automatic Storage Management (ASM) in Oracle Database 19c?

Options :

A : Simplified storage management through automated data striping and rebalancing.

B : Improved database performance through faster I/O operations.

C : Enhanced data availability through redundancy and mirroring.

D : Reduced storage costs through compression and tiering.

Answer: A

Question 5

Which of the following statements about Oracle Database 19c performance tuning is true?

Options :

A : Automatic Memory Management (AMM) is a recommended approach for managing memory

B : Statistics Gathering should be performed manually on a regular basis

C : Setting a fixed SGA size is a best practice for optimal performance

D : Oracle Real Application Testing (RAT) can be used to analyze the impact of system changes

Answer: D

EXPERTY DESIGNED 1Z0-084 PRACTICE TEST