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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. 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' SET PASSWORD AS 'Sh@256Pa33';
C) Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';
D) Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.

2. You need to change the password level for a test system.
Which two allow to change this level before you create new test user/passwords?

A) Add validate_password_policy=,new level, in the [mysqld] section of the MySQL configuration file.
B) Add validate_password=,new level, in the [security] section of the MySQL configuration file.
C) SET GLOBAL force_password_complex_policy=0;
D) SET GLOBAL validate_password_policy=,new level,;

3. Which two methods help prevent MySQL security risks?

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

4. Which three installation options are available for installing the MySQL Enterprise Monitor/Agent on Linux?

A) A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
B) A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database
C) A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
D) A browser-based wizard to remotely deploy the MySQL Monitor Agent
E) A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent

5. Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

A) MySQL Servers with Group Replication to replicate data to all members of the cluster.
B) MySQL Router to ensure client requests are load balanced and routed to the correct servers.
C) MySQL Online Hot Backup to keep data consistent and always ready to be used.
D) MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
E) MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.

Solutions: