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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q75-Q80):

NEW QUESTION # 75
You are testing a new application and want to use data masking but the database is empty. What option will generate dummy data for you to use for testing?

A. Execute the sakila-data. sqi script to populate the database
B. Use mysqldump to import data from the sakila_dummy database sample data set.
C. Use MySQL Enterprise High Availability to access one of the available data tables
D. Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;

Answer: D

NEW QUESTION # 76
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 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 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.

Answer: B

NEW QUESTION # 77
Which two methods help prevent MySQL security risks?

A. Ensure that MySQL accounts have short and easy passwords.
B. Use the secure installation script "mysql_alays_secure_installation".
C. Allow unauthorized clients to connect to the server.
D. Transmit plain (unencrypted) data over networks.
E. Grant only permissions that a user requires.
F. Use a firewall to control access to MySQL ports.

Answer: C,D

NEW QUESTION # 78
You have a MySQL Server instance (running with Port# 3306) monitored by the Service Manager in MySQL Enterprise Monitor. You cloned the MySQL Database instance and configured it to be a replicated MySQL instance as Slave using Port# 3316 on the same machine as the Master Server. The replication configuration is working correctly. The Master and Slave Servers are running.
You are trying to add the newly created MySQL Slave instance to the Monitor. The Service Manager in MySQL Enterprise Monitor notifies you that the new instance is successfully added; however, it is not added correctly at the newly added configuration points to the old Master monitored items. The Monitor shows only one monitored MySQL instance for Master and Slave.
Which two are possible reasons for this problem?

A. The SLAVE and MASTER instances are started with the same configured value for the option - - monitor_server_uuid.
B. The mysql.inventory table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
C. The mysql.instance table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
D. The MASTER and SLAVE are grouped as one instance for monitoring.
E. All the MySQL instances (Master and Slave) have the same server_uuid in <datadir>/auto.cnf.

Answer: C,D

NEW QUESTION # 79
You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

A. Use mysqldump with the - -changesonly option.
B. Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
C. Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
D. Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
E. Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.

Answer: A,D

NEW QUESTION # 80
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