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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. MySQL is installed on a Linux server with the configuration:
Which two methods can change the default options to use the authentication plug-in that implements SHA-256 hashing for user account passwords?

A) Add --default_authentication_plugin=sha256_password on the command line when you invoke the server.
B) Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';
C) Create user by using CREATE USER 'newuser' @'localhost' SET PASSWORD AS 'Sh@256Pa33';
D) Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.

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

3. Which two statements are correct about MySQL Enterprise Edition?

A) MySQL configuration can be changed in /etc/lib/myi.cnf.
B) MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
C) MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
D) Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
E) Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).

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

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

5. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH).
When accessing a new MySQL Enterprise Edition Oracle Cloud Infrastructure (OCI) instance, you want to use MySQL Enterprise Workbench for SQL and remote management.
What are two ways to successfully configure Workbench based on the MySQL access credentials?

A) Convert the private key to ppk format first. Based on TCP/IP over SSH and based on the created private key, opc-user, and MySQL access credentials, you can access the MySQL CS instance.
B) Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
C) Open the MySQL OCI instance access port 3306. For the MySQL connection, you use this port, and, in addition, you configure the remote management based on SSH based on the provided key.
D) Configure TCP/IP over SSH and based on the created private key, opc-User, and MySQL access credentials, you can access the MySQL OCI instance.

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