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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. An existing MySQL Database environment has been doing backup and restore in a logical way by using the mysq1dump and mysq1 client utilities. When the backup is started using mysqldump with single-transaction mode, the existing application has long wait time. When the restore is required, it takes more than three hours to restore.
What two are benefits of using mysqlbackup from MySQL Enterprise Backup in this situation?

A) mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
B) mysqlbackup can back up tables with the InnoDB engine without blocking. The backup is hot with InnoDB. Together with Incremental Backup, mysqlbackup from MySQL Enterprise Backup shortens the backup windows.
C) MySQL Enterprise Backup provides tape backup integration by default. It has the virtual tape option, which allows backup to tape device directly without extra third-party software integration.
D) mysqlbackup utilities dump the full database into a SQL file, which is imported into the mysql client in single-thread mode. mysqlbackup restores data from physical backups. Physical backup methods are faster than logical methods because they involve only file coping without conversion.
E) MySQL Enterprise Backup does not back up system data so that it is much faster.

2. Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?

A) MySQL Audit and MySQL Workbench
B) MySQL Enterprise Monitor and MySQL Audit
C) SQL Enterprise Monitor and MySQL Enterprise Authentication
D) MySQL Workbench and MySQL Enterprise Firewall

3. Which MySQL Enterprise Edition plug-in replaces real values with substitutes?

A) MySQL Enterprise Data Masking and De-identification
B) MySQL Enterprise Transparent Data Encryption (TDE)
C) MySQL Enterprise Scalability
D) MySQL Enterprise Audit
E) MySQL Enterprise No-Login Authentication

4. Which three are requirements for MySQL Group Replication (GR)?

A) The use of global transaction identifiers is required.
B) Data to be replicated must be stored in the InnoDB transactional storage engine.
C) Primary keys are required on every replicated table.
D) GR only works with MySQL versions 8.0.12 or higher.
E) The binary log format must be set to mixed.
F) The minimum number of required nodes for achieving a consensus is two.

5. The MySQL Replication Environment (Master and Slave) is prepared.
What two are options for connecting a Java application to the MySQL Master and Slave?

A)

B)

C)

D)

Solutions: