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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. 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) On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
C) System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
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) MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
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.

3. What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

A) Encryption key is stored in a centralized key memory location
B) Tablespace keys are managed manually behind the scenes.
C) Enables data-at-rest encryption by encrypting the physical files of the database.
D) Data is encrypted automatically, in real time, after it is written to storage.

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

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

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

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

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