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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which MySQL Enterprise Edition plug-in replaces real values with substitutes?

A) MySQL Enterprise Data Masking and De-identification
B) MySQL Enterprise Transparent Data Encryption (TDE)
C) MySQL Enterprise Scalability
D) MySQL Enterprise Audit
E) MySQL Enterprise No-Login Authentication

2. Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:

What is the result after issuing the rollback command?

A) Only the t2 table is created.
B) Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.
C) Only the t1 table is created.
D) Both the tables, t1 and t2, are created.

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

A) MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
B) System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
C) MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
D) 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.
E) On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
F) Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.

4. What are Security Lists in Oracle Cloud Infrastructure?

A) They are essentially firewall rules that help control traffic between OCI instances.
B) They allow administrators access to applications in the cloud and external servers.
C) They contain rules established by HIPAA for securing end-user data.
D) They are user-role designations that assign rights to certain internal users and external users.
E) Security lists are data encryption levels that control who can see the data.

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

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

Solutions: