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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. What are Security Lists in Oracle Cloud Infrastructure?

A) They are essentially firewall rules that help control traffic between OCI instances.
B) They are user-role designations that assign rights to certain internal users and external users.
C) They contain rules established by HIPAA for securing end-user data.
D) They allow administrators access to applications in the cloud and external servers.
E) Security lists are data encryption levels that control who can see the data.

2. Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:

A) MySQL Advisors
B) MySQL Query Analyzer
C) MySQL Dashboard
D) Query Analyzer

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

4. You execute this statement:
SELECT NULL=NULL;
What is the result?

A) 1
B) TRUE
C) NULL
D) FALSE
E) 0

5. Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

A) MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
B) MySQL Online Hot Backup to keep data consistent and always ready to be used.
C) MySQL Router to ensure client requests are load balanced and routed to the correct servers.
D) MySQL Servers with Group Replication to replicate data to all members of the cluster.
E) MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.

Solutions: