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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which four authentication protocols are allowed when using MySQL Enterprise Authentication?

A) authentication using SHA-256 password hashing
B) Native Windows services
C) authentication via Pluggable Authentication Modules (PAMs)
D) connections through the local host via the UNIX socket file
E) Simple Authentication and Security Layer
F) SECURID authentication and authorization identity

2. You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?

A) Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
B) You need to agree to the maintenance windows. If not, you are not affected by the outage.
C) There are no maintenance operations planned. You need to do them manually.
D) You can expect an outage of your MySQL OCI instance during the planned time..

3. Which two methods help prevent MySQL security risks?

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

4. What SQL keyword must be specified when creating a foreign key constraint?

A) unique PRIMARY key values for both child and parent tables
B) the SET_FOREGIN variable in the my .cnf file
C) a REFERENCES in the child table to the parent table
D) a TRIGGER on the child table for cascading delete statements
E) an index on the foreign key

5. When should you perform a backup in a MySQL database?
Response:

A) After every successful query execution.
B) Only during scheduled maintenance windows.
C) After critical data updates or before making significant changes to the database.
D) Only when the database size exceeds a certain limit.

Solutions: