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Oracle Cloud Database Services 2021 Specialist Sample Questions:

1. You are asked to create a MySQL Database Service system. You can log in to the group's Oracle Cloud Infrastructure tenancy and access the assigned compartment, and all policies have been configured and tested.
What is the next step to create a MySQL Database Service?

A) Connect to the MySQL Database Service system endpoint.
B) Create a Linux compute instance.
C) Create the MySQL DB system.
D) Create a Virtual Cloud Network by using the VCN Wizard.

2. Which two statements are true about changing the shape of a virtual machine (VM) database (DB) system to adapt to changes in performance needs?
(Choose all correct answers)

A) The shape of a VM DB system can be changed at any time, with no impact on the amount of storage available to the DB system.
B) After you provision a VM DB system with a shape that supports Oracle RAC, you can change that shape to another shape that does not support Oracle RAC.
C) After you provision a VM DB system, you cannot change the shape. You have to provision another VM DB system using a full backup.
D) If the current shape of the VM DB system supports Oracle Real Application Clusters (RAC), then you can only change that shape to another shape that also supports Oracle RAC.
E) It is possible to change the shape of a VM DB system with a higher number of OCPUs. However, reducing the number of OCPUs is not permitted.

3. You want to permanently delete the DB System and its attached HeatWave cluster. Which action should you perform?

A) Delete the Heatwave Cluster and it will also delete the DB system.
B) Delete the DB system and it will also delete the attached HeatWave Cluster.
C) Terminate the DB system and drop the associated HeatWave Cluster.
D) Drop the DB system and terminate the associated HeatWave Cluster.

4. You define a maintenance window for your MySQL DB systems. When the automatic maintenance process takes place, which TWO activities does the system perform while its status is set to UPDATING? (Choose all correct answers)

A) It analyzes, rebuilds, and optimizes MySQL database tables and indexes.
B) It patches the MySQL server itself along with any underlying hardware.
C) It patches the underlying operating system of the MySQL database.
D) It upgrades the associated compute instance to the latest Linux operating system version.

5. You want to scale within Exadata System. Which of the following two statements are true? (Choose all correct answers)

A) Modifying the number of enabled OCPU cores does not require database downtime.
B) Modifying the number of enabled OCPU cores requires database downtime.
C) The setting of database parameter CPU_COUNT is affected by modifying the number of enabled OCPU cores.
D) The setting of database parameter CPU_COUNT is not affected by modifying the number of enabled OCPU cores.

Solutions: