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Oracle 1z0-915-1 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	Describe the architecture of the HeatWave cluster, adding a HeatWave cluster to a DB system, and determine whether a query is offloaded to HeatWave cluster for execution.
Topic 4	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 5	Read Replicas: For database architects and replication specialists, this domain of the exam covers creating and managing read replicas, describing the read replica load balancer, connecting to a read replica, etc.
Topic 6	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.

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Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q38-Q43):

NEW QUESTION # 38
You want to create a new DB system with data import. How do you prepare the data?

A. Export the data into anObject Storage bucket with a MySQL Shell dump utility.
B. Export the data into the file system with a MySQL Shell dump utility
C. Back up the database into an Object Storage bucket with MySQL Enterprise Backup.
D. Export the data into the file system with the mysqldump client utility.

Answer: A

Explanation:
To prepare data for a new DB system with data import in OCI, you shouldexport the data into an Object Storage bucket with a MySQL Shell dump utility(Answer B). This method allows you to store the data in a scalable and durable object storage service before importing it into the new DB system.
Steps:
* Use MySQL Shell dump utility to export the data.
* Save the export files to an Object Storage bucket in OCI.
* Import the data from the Object Storage bucket into the new DB system.
References:
* MySQL Shell Documentation
* OCI Object Storage Documentation

NEW QUESTION # 39
How can you determine the uptime of a DB system?

A. By executing mysql db-system get --db-system-id with OCI CLI
B. By querying performance_schema.global_status from a connected MySQL client
C. By checking the DB system details in the OCI Web console
D. By using the Audit section in Logging information in the OCI Web console

Answer: C

Explanation:
You can determine the uptime of a DB system bychecking the DB system details in the OCI Web console(Answer B). The console provides information on the system status, including the uptime since the last start.
Steps:
* Log in to the OCI Web console.
* Navigate to the MySQL DB system.
* View the details page of the DB system, where the uptime information is displayed.
References:
* OCI Console Documentation
* Monitoring DB System Uptime

NEW QUESTION # 40
Which two are true about creating a Bastion service to connect to a MySQL DB system? (Choose two.)

A. The Bastion CIDR block allowlist must include the IP address of all valid client machines.
B. The Bastion service must be in the same VCN as the DB system.
C. The Bastion CIDR block allowlist must include the IP address of the DB system.
D. TheBastion subnet must have an ingress rule to allow stateful connections on the MvSQL DB system port number.
E. The Bastion service must have a public IP address.

Answer: A,D

Explanation:
When creating a Bastion service to connect to a MySQL DB system, the following are true:
* The Bastion CIDR block allowlist must include the IP address of all valid client machines(Answer C):
This ensures that only the IP addresses specified in the allowlist can access the Bastion service, enhancing security by restricting access to known clients.
* The Bastion subnet must have an ingress rule to allow stateful connections on the MySQL DB system port number(Answer E): This allows the Bastion service to communicate with the MySQL DB system by permitting traffic through the necessary ports.
References:
* OCI Bastion Service Documentation
* Setting Up Bastion with MySQL DB System

NEW QUESTION # 41
Which sequence of steps must you perform to change the configuration of a high-availability DB system?

A. Disable high availability, edit the DB system, change the configuration, and enable high availability.
B. Edit and change the configuration of all secondary instances, switch over to a secondary instance, andedit and change the configuration of the former primary instance.
C. Edit the DB system and change the configuration.
D. Stop the DB system, edit the DB system, change the configuration, and start the DB system.

Answer: D

Explanation:
To change the configuration of a high-availability DB system, you must follow these steps:
* Stop the DB system: This ensures that the system is in a consistent state and that no transactions are being processed during the configuration change.
* Edit the DB system: Make the necessary changes to the configuration.
* Change the configuration: Apply the configuration changes.
* Start the DB system: Restart the system to apply the new configuration settings.

NEW QUESTION # 42
You can perform a node estimate when adding a HeatWave cluster to a DB system in OCI Console. Which two tasks are performed by the node estimate process? (Choose two.)

A. Generate a set of alter statements to load selected tables into the HeatWave cluster.
B. Estimate the disk storage required for each user table.
C. Estimate the number of OCPUs required to process selected user tables.
D. Generate a load command to activate Auto Parallel Load.
E. Estimate the memory required for each user table.

Answer: C,E

Explanation:
When performing a node estimate while adding a HeatWave cluster to a DB system in OCI Console, the process undertakes the following tasks:
* Estimate the number of OCPUs required to process selected user tables(Answer B): The node estimation process calculates the necessary OCPUs based on the size and complexity of the tables selected by the user. This ensures that the cluster has adequate processing power for efficient performance.
* Estimate the memory required for each user table(Answer C): This task involves determining the memory requirements for each table that will be loaded into the HeatWave cluster. This ensures that there is sufficient memory to handle the data and execute queries efficiently.
References:
* OCI Console Documentation on HeatWave
* MySQL HeatWave User Guide

NEW QUESTION # 43
......

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1z0-915-1 Reliable Dumps Ebook, 1z0-915-1 Pdf Version

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Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q38-Q43):

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