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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. 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 MySQL Enterprise Backup with the - -size=compress to compress the backup file.
B) Use mysqldump with the - -changesonly option.
C) Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
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 mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.

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

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

3. Which two methods help prevent MySQL security risks?

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

4. Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:

A) MySQL Query Analyzer
B) MySQL Dashboard
C) MySQL Advisors
D) Query Analyzer

5. Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

A) Groups must be in even numbers; 2, 4, 6, 8.
B) Use Network-attached storage (NAS) for the data files.
C) smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
D) use SSD,s for data and replication logs
E) Networks must be in separate regions.
F) The number of machines per group must be 3, 5, 7 or 9.
G) isolated machine resources

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