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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. You execute this statement:
SELECT NULL=NULL;
What is the result?

A) NULL
B) 1
C) TRUE
D) FALSE
E) 0

2. 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 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.
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 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.
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 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.
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 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.

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

4. Which three statements describe MySQL Enterprise Backup?

A) MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
B) MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
C) MySQL Enterprise Backup provides the point-in-time recovery functionality.
D) MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
E) MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.

5. What are two ways in which customers can receive notifications such as outages, configuration changes, database emergencies, and other information on their Database as a Service instances?

A) Application-to-application messaging
B) Browser pop-ups
C) SMS-notification tab on the dashboard
D) Direct support call from an Oracle representative
E) Email

Solutions: