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To take the Oracle 1Z0-921 exam, candidates need to have a strong understanding of MySQL architecture, storage engines, security, performance tuning, backup and recovery, and high availability solutions. They should also have experience working with MySQL tools such as MySQL Workbench, MySQL Shell, and MySQL Enterprise Monitor. Additionally, candidates should have knowledge of SQL and be able to write queries and create database schemas.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q17-Q22):

NEW QUESTION # 17
Which two statements about the download of MySQL Enterprise Backup are correct?

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

Answer: C,D

NEW QUESTION # 18
After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?

A. The root password inserted in the error log set by the --log-error=[file_name] variable
B. As root, execute the show password command by using the SHA-256 password encryption plug-in.
C. The root password is not given and is blank. You must manually set the root password.
D. The root password displayed on the screen via a [warning] message.
E. The root_pw variable stored in the mysq1.install table.

Answer: B,E

NEW QUESTION # 19
What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

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

Answer: C

NEW QUESTION # 20
You have three machines with MySQL Databases running on Linux platform.
Which backup procedures would allow online and remote backup of the MySQL Database on the three machines to a connected Storage NFS?

A. 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on machine which is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - -backup-dir and by giving--hosts=machine1:port1, machine2:port2, machine3:port3.4. Validate the backups using the mysqlbackup program to ensure that the backups created are valid.
B. 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Workbench on a separate machine, which is used to connect to the three machines to back up and restore.3. Startup MySQL backup from MySQL Workbench to back up the three databases.4. Validate the backup by using MySQL Workbench to ensure that the backup created is valid.
C. 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on all three machines.3. Start mysqlbackup on all machines to back up the database to the mounted volume using - -backup-dir.4. Validate the backup using the mysqlbackup program to ensure that the backup created is valid.
D. 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on the machine that is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - - backup-dir and by specifying -- config-files=my1.cnf, my2.cnf, my3.cnf.my1.cnf, my2cnf, and my3.cnf are the MySQL Database Configuration files on the three machines.4. Validate the backup by using the mysqlbackup program to ensure that the backup created is valid.

Answer: C

NEW QUESTION # 21
Which two statements are true about MySQL Enterprise Firewall?

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

Answer: D,E

NEW QUESTION # 22
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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q17-Q22):

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