Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB : DP-420

  • Exam Code: DP-420
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
  • Updated: Aug 08, 2026
  • Q & A: 281 Questions and Answers

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This exam measures your ability to accomplish the following technical tasks: design and implement data models; design and implement data distribution; integrate an Azure Cosmos DB solution; optimize an Azure Cosmos DB solution; and maintain an Azure Cosmos DB solution.

What are the prerequisites to take the Microsoft DP-420 Certification Exam?

There are no prerequisites for the Microsoft DP-420 Certification Exam.

Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/dp-420?WT.mc_id=Azure_blog-wwl

Microsoft DP-420 Exam Syllabus Topics:

SectionObjectives
Topic 1: Design and implement data distribution- Replication and consistency
  • 1. Multi-region replication
    • 2. Consistency levels
      - Partitioning and scaling
      • 1. Logical and physical partitions
        • 2. Throughput (RU/s) planning
          Topic 2: Integrate Azure Cosmos DB with Azure services- Data pipelines and analytics
          • 1. Synapse integration
            • 2. Data movement patterns
              - Event-driven architectures
              • 1. Integration with Azure Functions
                • 2. Change Feed processing
                  Topic 3: Design and implement data models for Azure Cosmos DB- Model data for NoSQL workloads
                  • 1. Partitioning strategies
                    • 2. Data modeling patterns (embed vs reference)
                      - Design indexing strategies
                      • 1. Query optimization considerations
                        • 2. Indexing policies
                          Topic 4: Optimize and maintain Cosmos DB solutions- Monitoring and troubleshooting
                          • 1. Diagnostics and logging
                            • 2. Alerts and metrics
                              - Performance optimization
                              • 1. RU consumption optimization
                                • 2. Query performance tuning

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