MOCK 1Z0-915-1 EXAM, 1Z0-915-1 TEST CRAM REVIEW

Mock 1z0-915-1 Exam, 1z0-915-1 Test Cram Review

Mock 1z0-915-1 Exam, 1z0-915-1 Test Cram Review

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Oracle 1z0-915-1 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Backing up and restoring DB systems: For database administrators and disaster recovery specialists, this section of the exam covers backing up and restoring a DB system, managing automatic backups, and performing point-in-time recovery.
Topic 2
  • MySQL HeatWave Configurations: For database administrators and performance tuning specialists, this part of the exam covers creating custom configurations, comparing configurations, describing the effects of changing dynamic and non-dynamic variables, and updating a DB system configuration.
Topic 3
  • Data Migrations: For data migration specialists and database administrators, this part of the exam covers creating a DB system with data import, importing data into a DB system, and exporting data from MySQL servers and DB systems.
Topic 4
  • Inbound Replication: For database administrators and replication experts, this section of the exam covers setting up and troubleshoot inbound replication and creating channels.
Topic 5
  • HeatWave Cluster: For database performance specialists and cloud architects, this section of the exam covers

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Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q58-Q63):

NEW QUESTION # 58
Which is true about changing the storage size of a DB system?

  • A. You must stop the DB system before changing its storage size.
  • B. The DB system shuts down during the resize operation.
  • C. You cannot decrease the DB system's storage size.
  • D. You must increase the DB system's storage size in multiples of 100 GB.

Answer: C

Explanation:
When changing the storage size of a DB system,you cannot decrease the DB system's storage size(Answer B).
This restriction ensures data integrity and prevents potential data loss that could occur if the storage size were reduced.
* You can only increase the storage size of the DB system.
* The storage increase is done online without shutting down the DB system, allowing for uninterrupted
* operations.
References:
* OCI MySQL DB System Scaling Documentation


NEW QUESTION # 59
A DB system has been deleted successfully. Which two operations are allowed on the deleted DB system?
(Choose two.)

  • A. Create a manual backup.
  • B. Change the storage size.
  • C. Restore the DB system from an existing manual backup.
  • D. View the metrics.
  • E. View the API call logs on the Audit page.

Answer: C,E

Explanation:
When a DB system has been successfully deleted, the following operations are allowed:
* Restore the DB system from an existing manual backup(Answer C): Even after the DB system is deleted, you can restore it from any existing manual backups. This allows you to recover the data and configuration from a point-in-time backup.
* View the API call logs on the Audit page(Answer E): You can view the API call logs related to the deleted DB system on the Audit page. These logs provide a record of actions taken on the DB system, including the deletion event.
References:
* OCI Backup and Restore Documentation
* OCI Audit Documentation


NEW QUESTION # 60
You want to enable high availability of a stand-alone DB system. Which two conditions are required? (Choose two.)

  • A. The DB system automatic backup must be enabled.
  • B. The DB system must be active.
  • C. The DB system delete protection must be enabled.
  • D. The DB system point-in-time recovery must be enabled.
  • E. The DB system crash recovery must be enabled.

Answer: A,B

Explanation:
To enable high availability for a stand-alone DB system, the following conditions are required:
* The DB system must be active(Answer D): The DB system needs to be in an active state to enable high availability features.
* The DB system automatic backup must be enabled(Answer E): Automatic backups must be enabled to ensure data protection and facilitate failover operations.
Steps:
* Ensure the DB system is running and operational.
* Enable automatic backups through the OCI Console or API.
References:
* MySQL High Availability Documentation
* Automatic Backups Documentation


NEW QUESTION # 61
You want to restore a stand-alone DB system to a high-availability DB system with a point-in-time recovery.
Which three are required? (Choose three.)

  • A. The stand-alone DB system must remain active during the restore.
  • B. A manual backup taken before the selected point in time must be available.
  • C. An automatic backup taken before the selected point in time must be available.
  • D. Every user table must have a primary key.
  • E. Point-in-time recovery must be enabled before the point in time to which you want to restore.

Answer: B,C,E


NEW QUESTION # 62
Automatic backup retention of a DB system is disabled. Which operation deletes all automatic backups of the DB system?

  • A. Enabling point-in-time recovery
  • B. Disabling delete protection
  • C. Deleting the DB system
  • D. Disabling point-in-time recovery

Answer: C

Explanation:
When automatic backup retention of a DB system is disabled,deleting the DB system(Answer C) will delete all automatic backups of the DB system.
* Automatic Backups: These are backups created automatically by the OCI service to ensure data protection.
* Backup Deletion: If automatic backups are disabled and you delete the DB system, all associated automatic backups are also deleted. This operation is irreversible, and you should ensure that necessary backups are taken before deleting the DB system.
References:
* OCI MySQL Database Service Backup and Restore


NEW QUESTION # 63
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