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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two methods help prevent MySQL security risks?

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

2. Which statement is used to create a new MySQL database?
Response:

A) NEW DATABASE
B) CREATE TABLE
C) CREATE DATABASE
D) CREATE SCHEMA

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

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

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

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

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

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

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