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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?

A) Object Storage
B) subnet configured on a Virtual Cloud Network (VCN)
C) existing VCN
D) ssh key pair
E) Custom Image
F) bare metal Oracle Linux shape

2. Which three options are valid reasons for using a primary key in a table?

A) automatic storage of data in a sorted order
B) preventing duplicate keys
C) maintaining a history of row insertions or updates
D) increasing performance when using select statements
E) exporting data faster with mysqldump
F) to make it easier to change the PRIMARY KEY value

3. You need to change the password level for a test system.
Which two allow to change this level before you create new test user/passwords?

A) SET GLOBAL validate_password_policy=,new level,;
B) Add validate_password_policy=,new level, in the [mysqld] section of the MySQL configuration file.
C) SET GLOBAL force_password_complex_policy=0;
D) Add validate_password=,new level, in the [security] section of the MySQL configuration file.

4. What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

A) Data is encrypted automatically, in real time, after it is written to storage.
B) Tablespace keys are managed manually behind the scenes.
C) Encryption key is stored in a centralized key memory location
D) Enables data-at-rest encryption by encrypting the physical files of the database.

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

Solutions: