Question 1

Which of the following methods is recommended for improving performance wh

Options :

A : Creating a small number of partitions with large amounts of data in each

B : Creating a large number of partitions with small amounts of data in each

C : Creating a large number of partitions with evenly distributed amounts of data in each

D : Creating a small number of partitions with evenly distributed amounts of data in each

Answer: C

Question 2

Which section of the Automatic Workload Repository (AWR) provides a summary of the time model statistics for each foreground process, as well as details of top SQL statements?

Options :

A : SQL Statistics

B : Operating System Statistics

C : Instance Activity Stats

D : Wait Classes

Answer: A

Question 3

Which parameter controls the minimum size in bytes of a single Memory Block allocated in SGA for SQL execution and can have a value between 4 MB and 16 MB?

Options :

A : DB_CACHE_SIZE

B : SHARED_POOL_SIZE

C : LARGE_POOL_SIZE

D : DB_16K_CACHE_SIZE

Answer: D

Question 4

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 5

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

Options :

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

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

C : The buffer cache stores rollback segments for undo operations.

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

Answer: A

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