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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which query will find rows in a table that have no counterpart in another table?

A) SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
B) SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
C) SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;
D) SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;

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

3. Which two statements are true about MySQL Enterprise Firewall?

A) System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
B) Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.
C) The firewall functionality is dependent upon SHA-256 and ANSI-specific functions built in to the mysql.firewall table. These functions cannot be deleted, even by the root user.
D) On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
E) MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
F) MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.

4. What is Kubernetes in the context of MySQL?
Response:

A) A database engine for MySQL.
B) A database management tool for MySQL.
C) An open-source container orchestration platform.
D) A cloud service provided by Oracle for MySQL databases.

5. What are the two main components required to set up persistent storage for MySQL on Kubernetes?
Response:

A) Secret and Deployment
B) PVC (Persistent Volume Claim) and ConfigMap
C) PVC (Persistent Volume Claim) and PV (Persistent Volume)
D) Pod and ReplicaSet

Solutions: