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

2. MySQL Enterprise Masking and De-identification can hide or obfuscate sensitive data, by controlling how the data appears. Which three are MySQL Enterprise Masking and De-identification functions?

A) whitelisting and substitution
B) strict or relaxed masking
C) random data substitution
D) dictionary substitution
E) misspelling

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

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

4. Which three options are valid reasons for using a primary key in a table?

A) increasing performance when using select statements
B) preventing duplicate keys
C) automatic storage of data in a sorted order
D) maintaining a history of row insertions or updates
E) exporting data faster with mysqldump
F) to make it easier to change the PRIMARY KEY value

5. After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?

A) The root_pw variable stored in the mysq1.install table.
B) As root, execute the show password command by using the SHA-256 password encryption plug-in.
C) The root password inserted in the error log set by the --log-error=[file_name] variable
D) The root password is not given and is blank. You must manually set the root password.
E) The root password displayed on the screen via a [warning] message.

Solutions: