Oracle 1Z1-921 : MySQL 2021 Implementation Essentials

  • Exam Code: 1Z1-921
  • Exam Name: MySQL 2021 Implementation Essentials
  • Updated: Sep 17, 2026   Q&As: 78 Questions and Answers

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Oracle 1Z1-921 Exam Syllabus Topics:

SectionObjectives
Topic 1: Leverage MySQL Backup- Backup and Recovery
  • 1. Describe Enterprise Backup process
  • 2. Configure backups
  • 3. Configure encryption and compression
  • 4. Import and export data using Workbench
  • 5. Install Enterprise Backup
Topic 2: Oracle MySQL Enterprise Product Suite- Enterprise Edition and Community/Standard Edition
  • 1. Explain Enterprise product features
  • 2. Differentiate MySQL editions
  • 3. Identify Oracle products certified with MySQL Enterprise Edition
Topic 3: Installation and Architecture- MySQL Infrastructure Architecture
  • 1. Explain MySQL infrastructure architecture
  • 2. Install MySQL Enterprise Server
  • 3. Configure MySQL Enterprise Server settings
Topic 4: MySQL Database Service and HeatWave- Cloud Database Services
  • 1. Describe MySQL Database Service
  • 2. Manage high availability deployments
  • 3. Manage standalone deployments
  • 4. Create and manage HeatWave
  • 5. Provision and connect to Database Service
  • 6. Monitor Database Service
  • 7. Configure backup for Database Service
Topic 5: Leverage MySQL Enterprise Monitor- Enterprise Monitor Features
  • 1. Manage Query Analyzer
  • 2. Describe monitor topology and agents
  • 3. Explain Enterprise Monitor benefits and features
  • 4. Manage custom advisors
Topic 6: Database Design- Database Objects and SQL
  • 1. Create basic SQL queries
  • 2. Partition MySQL tables
  • 3. Use Document Store
  • 4. Maintain databases, tables, and columns
  • 5. Join tables
  • 6. Create databases and tables
  • 7. Describe MySQL datatypes
  • 8. Configure indexes and constraints
Topic 7: MySQL Kubernetes- Kubernetes Operations
  • 1. Use MySQL Kubernetes Operator
Topic 8: MySQL Security- Security Management
  • 1. Use Data Masking
  • 2. Configure Enterprise Firewall
  • 3. Use Transparent Data Encryption
  • 4. Manage password policies
  • 5. Configure Enterprise Audit
  • 6. Execute authorization and privilege management
  • 7. Describe Enterprise Authentication
Topic 9: High Availability and Replication- Replication and Scalability
  • 1. Set up InnoDB Cluster
  • 2. Describe high availability solutions
  • 3. Configure GTID and binary log replication
  • 4. Deploy scalability and availability features
  • 5. Explain replication

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question #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
Reveal Solution  Discussion  0

Correct Answer: A,D,E  🗳️

Question #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.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #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.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #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
Reveal Solution  Discussion  0

Correct Answer: A,E  🗳️

Question #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
Reveal Solution  Discussion  0

Correct Answer: B,C,E  🗳️

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