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Oracle 1z0-915-1 Exam Syllabus Topics:

Topic	Details
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	Inbound Replication: For database administrators and replication experts, this section of the exam covers setting up and troubleshoot inbound replication and creating channels.
Topic 4	HeatWave Cluster: For database performance specialists and cloud architects, this section of the exam covers
Topic 5	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 6	Managing DB systems: For network administrators and cloud infrastructure specialists, this domain of the exam covers demonstrating a command of DRG and DRG Attachments, applying BGP in the OCI environment, evaluating OCI VPN Services, and validating the various FastConnect products from OCI.
Topic 7	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 8	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.

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Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q13-Q18):

NEW QUESTION # 13
You want to enable high availability of a stand-alone DB system. Which two conditions are required? (Choose two.)

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

Answer: D,E

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 # 14
You have successfully provisioned a MySQL DB system on Oracle Cloud Infrastructure by using OCI Console. You have installed the standard MySQL client libraries and MySQL Shell on your workstation that is not connected to any VPN, FastConnect, or SSH tunnel.
You CANNOT connect directly to the DB system endpoint from your workstation connected to the Internet.
What is the reason?

A. MySQL DB system cannot use the standard MySQL client libraries.
B. MySQL DB system allows only connections through a proxy server.
C. MySQL DB system endpoint does not have a public IP address.
D. MySQL DB system allows only SSL-encrypted connections.

Answer: C

Explanation:
If you cannot connect directly to the MySQL DB system endpoint from your workstation connected to the Internet, the reason is thatMySQL DB system endpoint does not have a public IP address(Answer B).
* Private Subnet: The MySQL DB system is provisioned in a private subnet, which means it is not directly accessible from the Internet.
* Network Accessibility: To access the DB system, you need to establish a secure connection via a VPN, FastConnect, or SSH tunnel.
References:
* Connecting to a MySQL DB System
* OCI Networking Documentation

NEW QUESTION # 15
Which two are available when creating a new MySQL DB system in OCI Console? (Choose two.)

A. HeatWave cluster
B. High availability
C. Read replica
D. Lakehouse
E. Standalone server

Answer: B,E

Explanation:
When creating a new MySQL DB system in the OCI Console, you have the following options:
* High availability(Answer A): This option allows you to create a DB system that can automatically fail over to a standby instance in case of hardware or software failure, ensuring minimal downtime.
* Standalone server(Answer C): This option lets you create a DB system with a single instance, suitable for workloads that do not require high availability or read replicas.
References:
* OCI MySQL Database Service Documentation
* MySQL High Availability

NEW QUESTION # 16
There are more than 10 concurrent users running queries on the DB system. The airport_geo table has been loaded successfully into a HeatWave cluster.
You want to run this query:
SELECT DISTINCT country FROM airport_geo ORDER BY country;
How do you determine whether the query is offloaded to the HeatWave cluster for execution?

A. Check the value of the hw_data_scanned global status variable.
B. Check the value of the rapid_query_offload_count global status variable.
C. View the Query Execution Plan of the query by running EXPLAIN.
D. Query the rpd_tables table in performance_schema.

Answer: B

Explanation:
To determine whether a query is offloaded to the HeatWave cluster for execution,check the value of the rapid_query_offload_countglobal status variable(Answer B).
* rapid_query_offload_count: This variable indicates the number of queries that have been offloaded to the HeatWave cluster. By checking its value before and after running the query, you can determine if the query was offloaded.
Steps:
* Connect to the MySQL DB system.
* RunSHOW GLOBAL STATUS LIKE 'rapid_query_offload_count';before and after executing the query to see if the count increases, indicating offloading.
References:
* MySQL HeatWave Documentation
* Monitoring HeatWave Status Variables

NEW QUESTION # 17
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 stateful connections on port 3306 and 33060.
B. Create an ingress rule that allows stateless connections on port 3306 and 33060.
C. Create an ingress rule that allows stateful connections on port 3306 and 33060.
D. Create an egress 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 # 18
......

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Free Oracle 1z0-915-1 Practice, 1z0-915-1 Test King

Oracle 1z0-915-1 Exam Syllabus Topics:

Oracle 1z0-915-1 Test King, 1z0-915-1 Latest Test Practice

Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q13-Q18):

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