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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. The slave connects to the master and asks for updated records. What command was issued for this to happen?

A) START SLAVE
B) SLAVE START
C) RUN SLAVE
D) SLAVE RUN
E) START RUN SLAVE

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

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

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

4. Which of the following statements is true regarding MySQL user account privileges?
Response:

A) The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.
B) The RELOAD privilege allows a user to delete data from a table.
C) The GRANT option allows a user to revoke privileges from other users.
D) A user with the SUPER privilege can only read data from the database.

5. Which statement will display the status of the partitioning plug-in?

A) USE SYS SCHEMA; SHOW PLUGINS STATUS;
B) SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
C) SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';
D) SHOW PLUGINS WHERE Name= 'partition';

Solutions: