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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three are characteristics of the JSON data type?

A) It validates the JSON syntax on insert or merge.
B) Comparisons of JSON values are not case-sensitive.
C) It is based on the TEXT data type.
D) A set of SQL functions substantially support the SQL utilization of the data type.
E) Key or array references enable quick read-access to look up document elements directly.
F) It supports indexing directly against the JSON-defined column.

2. You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?

A) Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
B) Go to the configuration section (MEM) and configure the default login credentials.
C) Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
D) Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.

3. Which two methods help prevent MySQL security risks?

A) Use a firewall to control access to MySQL ports.
B) Ensure that MySQL accounts have short and easy passwords.
C) Transmit plain (unencrypted) data over networks.
D) Use the secure installation script "mysql_alays_secure_installation".
E) Allow unauthorized clients to connect to the server.
F) Grant only permissions that a user requires.

4. You just installed MySQL by Using a Package Manager on Linux.
Where are the default InnoDB redo log files stored?

A) /var/lib/mysql
B) /usr/redo
C) /usr/bin/logs
D) /etc/my.cnf
E) /var/lib/mysql/innodb
F) /usr/mysql

5. Which two statements about the download of MySQL Enterprise Backup are correct?

A) MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
B) MySQL Enterprise Backup comes with all MySQL editions including community edition.
C) MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).
D) MySQL Enterprise Backup is a separate package from MySQL Enterprise Edition. It can be downloaded from https://edelivery.oracle.com.
E) MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.

Solutions: