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Guide for Oracle MySQL HeatWave Implementation Associate Rel 1

Quiz Oracle MySQL HeatWave Implementation Associate Rel 1

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/ 10

Quiz

1/10
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.)
Select the answer
2 correct answers
A.
Generate a load command to activate Auto Parallel Load.
B.
Estimate the number of OCPUs required to process selected user tables.
C.
Estimate the memory required for each user table.
D.
Generate a set of alter statements to load selected tables into the HeatWave cluster.
E.
Estimate the disk storage required for each user table.

Quiz

2/10
What must you do before deleting a DB system?
Select the answer
1 correct answer
A.
Take a manual backup
B.
Stop the instance if it is running.
C.
Disable delete protection if it is enabled.
D.
Stop and remove any connected HeatWave Cluster.

Quiz

3/10
You want to create a new DB system with data import. How do you prepare the data?
Select the answer
1 correct answer
A.
Export the data into the file system with a MySQL Shell dump utility
B.
Export the data into an Object Storage bucket 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.

Quiz

4/10
Which two are available when creating a new MySQL DB system in OCI Console? (Choose two.)
Select the answer
2 correct answers
A.
High availability
B.
Lakehouse
C.
Standalone server
D.
Read replica
E.
HeatWave cluster

Quiz

5/10
You want to train a classification model with MySQL HeatWave AutoML. Which two are requirements
of the training data set? (Choose two.)
Select the answer
2 correct answers
A.
The target column must be numeric.
B.
The target column and all feature columns must be stored in a single table.
C.
All feature columns must be numeric.
D.
There must be at least two feature columns.
E.
The target column must have at least two distinct values.

Quiz

6/10
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.)
Select the answer
2 correct answers
A.
mysqlsh -h 10.0.1.221 -u admin -p MySQL8.0
B.
mysqlsh mysql://MySQL8.0:[email protected]
C.
mysqlsh mysql://admin:[email protected]
D.
mysqlsh -h10.0.1.221 -uadmin -pMySQL8.0
E.
mysqlsh -host 10.0.1.221 -user admin -password MySQL8.0

Quiz

7/10
Which sequence of steps must you perform to change the configuration of a high-availability DB
system?
Select the answer
1 correct answer
A.
Disable high availability, edit the DB system, change the configuration, and enable high availability.
B.
Stop the DB system, edit the DB system, change the configuration, and start the DB system.
C.
Edit and change the configuration of all secondary instances, switch over to a secondary instance, and edit and change the configuration of the former primary instance.
D.
Edit the DB system and change the configuration.

Quiz

8/10
Why would you select "Source cannot use GTID auto-positioning" when creating a channel?
Select the answer
1 correct answer
A.
The target DB system is a high-availability DB system.
B.
Some tables have no primary key
C.
The binary log offset is unknown.
D.
The source gtid mode is OFF.

Quiz

9/10
You have an inbound replication channel that replicates data from one DB system to another DB
system. Both DB systems are created with the default configuration.


You encountered the following error on the target DB system:

Certification Exam Oracle MySQL HeatWave Implementation Associate Rel 1 Oracle Oracle-1Z0-915-1 1-566806081

What is the possible cause?
Select the answer
1 correct answer
A.
The missing GTID set has been archived to object storage and is no longer available.
B.
The target DB system relay log file destination is full.
C.
The channel has been disabled for more than 2 hours.
D.
The administrator has deleted the binary log files from the source DB system.

Quiz

10/10
What happens when you perform a switchover of a high-availability DB system with an attached
HeatWave cluster?
Select the answer
1 correct answer
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 remains attached to the same DB system and the new primary instance redirects queries to that cluster.
D.
The HeatWave cluster is no longer valid; you must re-create the HeatWave cluster.
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  • Quiz name:Oracle MySQL HeatWave Implementation Associate Rel 1
  • Total number of questions:65
  • Number of questions for the test:50
  • Pass score:80%

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