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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

A) Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
B) Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
C) Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
D) Use mysqldump with the - -changesonly option.
E) Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.

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

4. The MySQL Replication Environment (Master and Slave) is prepared.
What two are options for connecting a Java application to the MySQL Master and Slave?

A)

B)

C)

D)

5. You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?

A) The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
B) The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.
C) The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.
D) You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.

Solutions: