1z0-915-1 Valid Test Objectives, 1z0-915-1 Reliable Dumps Book

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Oracle 1z0-915-1 Exam Syllabus Topics:

Topic	Details
Topic 1	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 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	HeatWave Cluster: For database performance specialists and cloud architects, this section of the exam covers
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	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.

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Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q47-Q52):

NEW QUESTION # 47
Which three must be provided when creating a channel? (Choose three.)

A. Target DB system
B. Source connection password
C. Replication delay
D. Source connection SSL mode
E. Channel name

Answer: B,D,E

Explanation:
When creating a channel for replication in MySQL, the following must be provided:
* Channel name(Answer A): The unique identifier for the replication channel.
* Source connection SSL mode(Answer B): Specifies the SSL mode for the connection to the source server.
* Source connection password(Answer D): The password for the source server connection.
Steps:
* UseCHANGE MASTER TOcommand to set up the replication channel.
* Provide the channel name, SSL mode, and connection password as part of the configuration.
References:
* MySQL Replication Documentation
* Setting Up Replication Channels

NEW QUESTION # 48
You want to create a read replica on a DB system.
Which is true about the read replica?

A. lt must have at least 64 GB of memory.
B. It must have at least 1 TB of storage
C. It must have at least 4 OCPUs.
D. It must be a bare metal shape

Answer: A

Explanation:
For a read replica on a DB system,it must have at least 64 GB of memory(Answer D). This requirement ensures that the read replica has sufficient resources to handle read operations and maintain performance consistency with the primary DB system.
References:
* OCI MySQL Read Replicas Documentation

NEW QUESTION # 49
A query is not offloaded to the HeatWave cluster for execution. Which three are possible reasons? (Choose three.)

A. The user does not have privileges to access the HeatWave cluster.
B. The query estimated cost is less than the query cost threshold.
C. The use_secondary_engine session variable is OFF.
D. The client is connected to the DB system instead of the HeatWave cluster.
E. A required column is excluded from the RAPID secondary engine.

Answer: C,D,E

Explanation:
A query may not be offloaded to the HeatWave cluster for execution due to the following reasons:
A:Theuse_secondary_enginesession variable is OFF: This setting controls whether queries should be offloaded to the secondary engine (HeatWave). B.The client is connected to the DB system instead of the HeatWave cluster: For queries to be offloaded, the client must be connected to the HeatWave cluster. E.A required column is excluded from the RAPID secondary engine: If a necessary column is not available in the HeatWave (RAPID) secondary engine, the query cannot be offloaded.

NEW QUESTION # 50
You want to determine which version of MySQL is running on your DB system.
Which two SQL statements show the MySQL version? (Choose two.)

A. SHOW VARIABLES LIKE 'version';
B. SELECT @version;
C. SELECT * FROM performance_schema.global_status WHERE VARIABLE_NAME='version';
D. SHOW STATUS LIKE 'version';
E. select @@version;

Answer: A,E

Explanation:
To determine the version of MySQL running on your DB system, you can use the following SQL statements:
* SELECT @@version;(Answer B): This query retrieves the MySQL server version from the system variables.
* SHOW VARIABLES LIKE 'version';(Answer C): This query displays the server version along with other related version variables.
Steps:
* Connect to your MySQL DB system.
* Execute eitherSELECT @@version;orSHOW VARIABLES LIKE 'version';to retrieve the version information.
References:
* MySQL Server Version Information
* SHOW VARIABLES Syntax

NEW QUESTION # 51
What happens when you perform a switchover of a high-availability DB system with an attached HeatWave cluster?

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

Answer: C

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 # 52
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1Z0-915-1 VALID TEST OBJECTIVES, 1Z0-915-1 RELIABLE DUMPS BOOK

1z0-915-1 Valid Test Objectives, 1z0-915-1 Reliable Dumps Book