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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?

A) creating e-mail alerts and SNMP traps for MySQL warnings
B) deploying MySQL agent on supported target operating system
C) tracing import and export with mysqldump
D) analyzing executed MySQL queries
E) monitoring the availability of the MySQL Instance
F) starting and stopping the MySQL instance

2. What three are ways to export and import data in MySQL Workbench?

A) Data Modeling Import Export Wizard
B) SQL Data Export and Import Wizard
C) Table Data Export and Import Wizard
D) Result Data Export and Import
E) Binary Data Export and Import Wizard
F) Backup Data Export and Import Wizard

3. By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.

A) It provides multi-master access where the application can write and read data across the database servers.
B) It allows backup to be done on the slave without impacting the master.
C) You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.
D) MySQL Enterprise Backup will back up from Slave automatically.
E) MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.

4. 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 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.
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 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.
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 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.

5. Which is true about inserting an additional line in a single document stored in MySQL document store?

A) Any new lines can only be inserted at the end of the document.
B) You cannot insert a single line, you have to replace the entire document with a new document.
C) You specify the new element,s position in the JSON_ARRAY_INSERT statement.
D) The path specified must be an array position past the end of an array using the JSON_POSITION statement.

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