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Total 378 Questions | Updated On: Nov 20, 2024

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Question 1

Which of the following best describes the purpose of the buffer cache in Oracle Database?

A : To store copies of data blocks read from disk, reducing disk IO

B : To store the SQL statements executed by the database, optimizing query performance

C : To store copies of frequently accessed tables and indexes, improving response time

D : To store metadata about the database objects, facilitating efficient data access

Answer: A

Question 2

You must configure and enable Database Smart Flash Cache for a database.

You configure these flash devices:

Examine these parameter settings:

What must be configured so that the database uses these devices for the Database Smart Flash Cache?

A : Set DB_FLASH_CACHE_SIZE to 192G and MEMORY_TARGET to 256G.

B : Set DB_FLASH_CACHE_SIZE parameter to 192G.

C : Disable Automatic Memory Management and set SGA_TARGET to 256G.

D : Set DB_FLASH_CACHE_SIZE to 256G and change device /dev/sdk to 128G.

E : Set DB_FLASH_CACHE_SIZE parameter to 128G, 64G.

Answer: E

Question 3

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?

A : SQL Statistics

B : Operating System Statistics

C : Instance Activity Stats

D : Wait Classes

Answer: A

Question 4

Which statement regarding SQL Plan Management (SPM) is true?

A : SPM automatically creates and maintains execution plans for SQL statements.

B : SPM requires the OPTIMIZER_FEATURES_ENABLE initialization parameter to be set to the current Oracle Database release level.

C : SPM captures execution plans and uses them to compare with new plans generated for the same SQL statement.

D : SPM automatically updates execution plans based on changes in the database environment.

Answer: C

Question 5

Which of the following statements best describes the function of the Automatic Workload Repository (AWR)?

A : The AWR collects and stores performance data for analyzing database activity and diagnosing performance issues.

B : The AWR is a tool for managing and tuning the automatic memory management feature of Oracle Database.

C : The AWR provides a graphical interface for monitoring and managing database performance metrics.

D : The AWR is a feature that allows the automatic creation and maintenance of database indexes.

Answer: A

Page: 1 / 76

Total 378 Questions | Updated On: Nov 20, 2024

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