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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two methods help prevent MySQL security risks?

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

2. 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 MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
E) Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.

3. The user 'fwuser'@'localhost% was registered with the MySQL Enterprise Firewall and was granted privileges for the SAKILA database. You executed the commands:

You want to clear the account whitelist for the * fwuser" @* localhost* user. Which statement should you run to accomplish this?

A)

B)

C)

4. What are two ways in which customers can receive notifications such as outages, configuration changes, database emergencies, and other information on their Database as a Service instances?

A) SMS-notification tab on the dashboard
B) Browser pop-ups
C) Email
D) Direct support call from an Oracle representative
E) Application-to-application messaging

5. How does MySQL HeatWave improve query performance?
Response:

A) By replicating data across multiple servers.
B) By caching the entire database in memory.
C) By automatically creating indexes on frequently used columns.
D) By offloading analytics queries to an in-memory, highly parallel processing engine.

Solutions: