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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. How would you restrict a user Joe from accessing all MySQL database objects?

A) UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe';
B) REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;
C) CREATE USER , joe,@1' %' DENY ALL PRIVILEGES
D) CREATE USER ,joe'@,0.0.0.0, SET Password=PASSWORD(,% ! %,)
E) Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.

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

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

4. Which two methods help prevent MySQL security risks?

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

5. What SQL keyword must be specified when creating a foreign key constraint?

A) an index on the foreign key
B) a REFERENCES in the child table to the parent table
C) unique PRIMARY key values for both child and parent tables
D) a TRIGGER on the child table for cascading delete statements
E) the SET_FOREGIN variable in the my .cnf file

Solutions: