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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two statements about the download of MySQL Enterprise Backup are correct?

A) MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.
B) MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
C) MySQL Enterprise Backup comes with all MySQL editions including community edition.
D) MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).
E) MySQL Enterprise Backup is a separate package from MySQL Enterprise Edition. It can be downloaded from https://edelivery.oracle.com.

2. Which three are characteristics of the JSON data type?

A) Key or array references enable quick read-access to look up document elements directly.
B) A set of SQL functions substantially support the SQL utilization of the data type.
C) It is based on the TEXT data type.
D) Comparisons of JSON values are not case-sensitive.
E) It supports indexing directly against the JSON-defined column.
F) It validates the JSON syntax on insert or merge.

3. Which Oracle product is certified to work with MySQL Enterprise Edition?

A) Oracle Enterprise Backup
B) Oracle Application Express
C) Oracle Data Pump
D) Oracle Enterprise Manager

4. Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?

A) Your instance does not have a public IP address, so you cannot connect with a public subnet.
B) You can connect directly to an instance over the internet, without a public IP address.
C) You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
D) You must have an IPSec VPN to connect to an Oracle Linux instance.
E) You can connect directly to the VCN without a define subnet.

5. 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 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.
B) 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.
C) mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
D) 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.
E) MySQL Enterprise Backup does not back up system data so that it is much faster.

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