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The Oracle 1z0-915-1 Web-Based Practice Exam

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Oracle 1z0-915-1 Exam Syllabus Topics:

Topic
Details

Topic 1

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 2

Provisioning and Connecting DB systems: For system administrators and database engineers, this part of the exam covers identifying VCN requirements for provisioning DB systems, connecting to DB systems with OCI Bastion, connecting to DB systems with MySQL Shell, connecting to DB systems with OCI Cloud Shell, connect to DB system with OCI SQL Worksheet, and authenticate DB system with OCI Identify Access Management credentials.

Topic 3

MySQL HeatWave Service: For database administrators, cloud architects, and DevOps engineers, this section of the exam covers identifying key features and benefits, describing MySQL HeatWave architecture, defining MySQL HeatWave terminology, and identifying MySQL HeatWave limitations.

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

High Availability: For system reliability engineers and database architects, this domain of the exam covers how to enable and disable the high availability of a DB system, explain placement considerations for a high availability DB system, distinguish between switchover and failover, etc.

Topic 6

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.

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100% Pass 2025 Oracle High Pass-Rate 1z0-915-1: Latest Oracle MySQL HeatWave Implementation Associate Rel 1 Test Simulator

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Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q18-Q23):

NEW QUESTION # 18
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. Disabling point-in-time recovery
D. Deleting the DB system

Answer: D

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 # 19
Which two are true about MySQL HeatWave configuration resources? (Choose two.)

A. You can compare configurations in the same compartment in OCI console.
B. You can view custom configuration sets with the OCI CLI oci mysql db-system get command.
C. You can set a value for any global MySQL variable in a configuration.
D. You must copy the configuration before changing any variable values.

Answer: B,C

Explanation:
A:You can set a value for any global MySQL variable in a configuration: MySQL HeatWave allows you to configure and set global MySQL variables to optimize performance and customize the environment as needed.
C:You can view custom configuration sets with the OCI CLIoci mysql db-system getcommand: The OCI CLI provides commands to retrieve details about MySQL DB systems, including custom configurations.

NEW QUESTION # 20
What happens when you perform a switchover of a high-availability DB system with an attached HeatWave cluster?

A. The HeatWave cluster is deleted and a new HeatWave cluster is attached to the new primary instance.
B. The HeatWave cluster is attached to the new primary instance.
C. The HeatWave cluster is no longer valid; you must re-create the HeatWave cluster.
D. The HeatWave cluster remains attached to the same DB system and the new primary instance redirects queries to that cluster.

Answer: B

Explanation:
When you perform a switchover of a high-availability DB system with an attached HeatWave cluster, theHeatWave cluster is attached to the new primary instance(Answer B). This ensures continuous operation and access to the HeatWave cluster's capabilities without the need to delete or re-create the cluster.
* During a switchover, the system promotes the standby instance to the primary role.
* The HeatWave cluster, which was previously attached to the original primary instance, is now re-attached to the new primary instance.
* This allows the new primary instance to continue processing queries using the HeatWave cluster seamlessly.
References:
* MySQL HeatWave High Availability Documentation

NEW QUESTION # 21
Which is true about exporting data to Object Storage with MySQL Shell util.dumpInstance?

A. You must have a valid OCI CLI configuration.
B. You must provide an OCI username and password to gain write access to Object Storage.
C. You must specify ocimds: true.
D. You must specify ociParManifest: true.

Answer: D

Explanation:
When exporting data to Object Storage withMySQL Shell util.dumpInstance,you must specify ociParManifest: true(Answer B). This option creates a pre-authenticated request (PAR) manifest file, which allows for secure access and upload to Object Storage without requiring direct credentials.
References:
* MySQL Shell Documentation
* OCI Object Storage Documentation

NEW QUESTION # 22
You create a MySQL DB system with default port numbers, and attach it to a subnet.
Which configuration is required on the subnet to enable client applications to connect to the DB system?

A. Create an egress rule that allows stateless connections on port 3306 and 33060.
B. Create an egress rule that allows stateful connections on port 3306 and 33060.
C. Create an ingress rule that allows stateful connections on port 3306 and 33060.
D. Create an ingress rule that allows stateless connections on port 3306 and 33060.

Answer: C

Explanation:
To enable client applications to connect to a MySQL DB system that uses default port numbers and is attached to a subnet, you need tocreate an ingress rule that allows stateful connections on port 3306 and 33060(Answer C).
* Ingress Rule: An ingress rule specifies the types of inbound connections that are allowed to a resource within a subnet.
* Stateful Connections: Stateful connections keep track of the state of network connections passing through them, allowing return traffic to pass automatically.
Steps:
* Navigate to the Virtual Cloud Network (VCN) in the OCI Console.
* Open the subnet to which the MySQL DB system is attached.
* Add an ingress rule to the subnet's security list to allow traffic on port 3306 (MySQL) and 33060 (MySQL X Protocol).
* Ensure the rule is stateful to maintain the connection state.
References:
* OCI Networking Documentation
* MySQL X Protocol Documentation

NEW QUESTION # 23
......

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