Oracle MySQL 2021 Implementation Essentials : 1Z0-921

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

2. What are Security Lists in Oracle Cloud Infrastructure?

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

3. The user 'fwuser'@'localhost% was registered with the MySQL Enterprise Firewall and was granted privileges for the SAKILA database. You executed the commands:

You want to clear the account whitelist for the * fwuser" @* localhost* user. Which statement should you run to accomplish this?

A)

B)

C)

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

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

5. The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?

A) The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.
B) Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
C) MySQL Enterprise Monitor creates the required users automatically.
D) The super privilege is required when starting, stopping, or restarting monitored MySQL databases.

Solutions: