Oracle 1Z1-921 : MySQL 2021 Implementation Essentials

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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three are levels in which MySQL Enterprise Monitor provides access control?

A) Asset visibility: the rights to access data collected from hosts or MySQL instances
B) MySQL Enterprise Operations: the right to deploy the necessary MySQL Enterprise Agent
C) MySQL Enterprise Operations: the right to start/stop/restart/update MySQL Enterprise Monitor Services
D) Specific data access: the rights to view specific types of potentially sensitive data
E) Application administration: the rights to view or change the MySQL Enterprise Monitor configuration

2. Which is true about inserting an additional line in a single document stored in MySQL document store?

A) The path specified must be an array position past the end of an array using the JSON_POSITION statement.
B) Any new lines can only be inserted at the end of the document.
C) You cannot insert a single line, you have to replace the entire document with a new document.
D) You specify the new element,s position in the JSON_ARRAY_INSERT statement.

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

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

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

5. MySQL Enterprise Masking and De-identification can hide or obfuscate sensitive data, by controlling how the data appears. Which three are MySQL Enterprise Masking and De-identification functions?

A) misspelling
B) dictionary substitution
C) strict or relaxed masking
D) whitelisting and substitution
E) random data substitution

Solutions: