Oracle 1Z1-921 : MySQL 2021 Implementation Essentials

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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?

A) The customer does not have proper user rights.
B) The customer reached the database instance limit of 32.
C) The customer account might have reached resource quota/limits.
D) The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.

2. MySQL is installed on a Linux server with the configuration:
Which two methods can change the default options to use the authentication plug-in that implements SHA-256 hashing for user account passwords?

A) Add --default_authentication_plugin=sha256_password on the command line when you invoke the server.
B) Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';
C) Create user by using CREATE USER 'newuser' @'localhost' SET PASSWORD AS 'Sh@256Pa33';
D) Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.

3. You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?

A) audit_log_permanent=ON
B) plugin-load=audit_log.so
C) LOAD PLUGIN=AUDIT_LOG
D) plugin-audit=ON, ALWAYS
E) audit-log=FORCE_PLUS_PERMANENT

4. Which Oracle product is certified to work with MySQL Enterprise Edition?

A) Oracle Enterprise Backup
B) Oracle Data Pump
C) Oracle Application Express
D) Oracle Enterprise Manager

5. Which three options are valid reasons for using a primary key in a table?

A) automatic storage of data in a sorted order
B) exporting data faster with mysqldump
C) maintaining a history of row insertions or updates
D) preventing duplicate keys
E) to make it easier to change the PRIMARY KEY value
F) increasing performance when using select statements

Solutions: