Free Practice Oracle 1Z0-084 Exam Questions 2025

Stay ahead with 100% Free Oracle Database 19c: Performance Management and Tuning 1Z0-084 Dumps Practice Questions

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Total 378 Questions | Updated On: Feb 19, 2025

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Question 1

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 2

What is the purpose of the ASM Fast Mirror Resync (FMR) feature?

A : Rolling out new Oracle Database 19c patches with zero-downtime

B : Rapidly resyncing changed extents to a new disk after a disk failure

C : Dynamically reconfiguring ASM disks online without needing to take the disk group offline

D : Accelerating the rebalancing process during disk group rebalancing

Answer: B

Question 3

Which of the following describes the benefit of using Resource Manager to manage resources in Oracle Database 19c?

A : Resource Manager enables the classification of users, making tasks such as user authentication and role management more manageable.

B : Resource Manager enables the prioritization of database server hardware, ensuring that more important tasks are given priority access to computing resources while lesser tasks are relegated until the primary request is done.

C : Resource Manager enables dynamic switching between different workloads on the database, ensuring that the server always has the resources to handle traffic spikes.

D : Resource Manager enables the definition of shared pool sizes and enables automatic distribution of resources between databases based on the workload and prior resource usage.

Answer: B

Question 4

Which of the following is the best practice for improving performance when using partitioning in Oracle Database 19c?

A : Partitioning the table based on a single column that has even distribution of data

B : Partitioning the table based on a single column that has uneven distribution of data

C : Partitioning the table based on multiple columns that have even distribution of data

D : Partitioning the table based on multiple columns that have uneven distribution of data

Answer: A

Question 5

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

Page: 1 / 76

Total 378 Questions | Updated On: Feb 19, 2025

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