ORACLE 1Z0-915-1 FLEXIBLE TESTING ENGINE & 1Z0-915-1 TOP EXAM DUMPS

Oracle 1z0-915-1 Flexible Testing Engine & 1z0-915-1 Top Exam Dumps

Oracle 1z0-915-1 Flexible Testing Engine & 1z0-915-1 Top Exam Dumps

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Tags: 1z0-915-1 Flexible Testing Engine, 1z0-915-1 Top Exam Dumps, Latest 1z0-915-1 Exam Questions Vce, Pass4sure 1z0-915-1 Study Materials, 1z0-915-1 Download

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Oracle 1z0-915-1 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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 4
  • 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 5
  • 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 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 (Q63-Q68):

NEW QUESTION # 63
Which MySQL HeatWave AutoML routine evaluates a model?

  • A. ML_EXPLAIN
  • B. ML_EXPLAIN_TABLE
  • C. ML_TRAIN
  • D. ML_PREDICT_TABLE
  • E. ML_SCORE

Answer: E

Explanation:
The MySQL HeatWave AutoML routine that evaluates a model isML_SCORE. This routine scores a trained machine learning model on a new dataset and evaluates its performance.


NEW QUESTION # 64
You want to change the configuration of an active stand-alone DB system. The DB system is configured as the target of a channel, and the channel is currently active.
Which sequence of steps must you perform?

  • A. Edit the DB system and change the configuration.
  • B. Stop the DB system, edit the DB system, change the configuration, and start the DB system.
  • C. Stop the channel, edit the DB system, change the configuration, and start the channel.
  • D. Delete the channel, edit the DB system, change the configuration, and re-create the channel.

Answer: C

Explanation:
To change the configuration of an active stand-alone DB system that is configured as the target of a channel, and the channel is currently active, you must:
D:Stop the channel, edit the DB system, change the configuration, and start the channel: This sequence ensures that no data inconsistency or replication issues occur while the configuration changes are being applied.


NEW QUESTION # 65
You want to connect to a DB system with MySQL Shell.
DB system endpoint IP address: 10.0.1.221
Username: admin
Password: MySQL8.0
Which two commands work? (Choose two.)

  • A. mysqlsh -h10.0.1.221 -uadmin -pMySQL8.0
  • B. mysqlsh -h 10.0.1.221 -u admin -p MySQL8.0
  • C. mysqlsh -host 10.0.1.221 -user admin -password MySQL8.0
  • D. mysqlsh mysql://admin:[email protected]
  • E. mysqlsh mysql://MySQL8.0:[email protected]

Answer: A,D

Explanation:
To connect to a MySQL DB system using MySQL Shell, you can use several command-line formats. Here, we will analyze the provided options:
A:mysqlsh -h 10.0.1.221 -u admin -p MySQL8.0
* Incorrect format. The password should not be directly placed after the-pflag without a space or equals sign.
B:mysqlsh mysql://MySQL8.0:[email protected]
* Incorrect format. The username should come before the password in the URL.
C:mysqlsh mysql://admin:[email protected]
* Correct format. This is a valid way to connect using a URL-like format whereadminis the username,MySQL8.0is the password, and10.0.1.221is the host.
D:mysqlsh -h10.0.1.221 -uadmin -pMySQL8.0
* Correct format. This is a valid way to connect using flags, with no spaces between the flags and their values.
E:mysqlsh -host 10.0.1.221 -user admin -password MySQL8.0
* Incorrect format. MySQL Shell uses-h,-u, and-pfor specifying host, username, and password respectively.


NEW QUESTION # 66
Which operation is necessary before enabling a MySQL HeatWave cluster?

  • A. Create all the schemas and tables in the DB system but do not load the data.
  • B. Offload the data to object storage to facilitate reloading into the cluster.
  • C. Start Cloud Shell in OCI Console connected to the DB system's network.
  • D. Create a DB system with a HeatWave shape.

Answer: D

Explanation:
Before enabling a MySQL HeatWave cluster,you must create a DB system with a HeatWave shape(Answer D). The HeatWave shape includes the necessary resources and configuration to support the HeatWave in-memory query accelerator.
Steps:
* Create a MySQL DB system in OCI Console.
* Choose a HeatWave shape during the DB system creation process.
* Once the DB system is created, you can enable and configure the HeatWave cluster.
References:
* MySQL HeatWave Documentation


NEW QUESTION # 67
What must you do to minimize a DB system down time caused by automatic maintenance operations?

  • A. Add HeatWave cluster.
  • B. Enable crash recovery.
  • C. Create read replicas.
  • D. Enable high availability.

Answer: D

Explanation:
To minimize DB system downtime caused by automatic maintenance operations, you should enable high availability. High availability ensures that there are multiple instances of your database running in different fault domains or availability domains, reducing the impact of maintenance on the system's availability.


NEW QUESTION # 68
......

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