Microsoft DP-420 Exam Details & Actual Exam Questions

  • Exam Code/Number: DP-420
  • Exam Name/Title: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
  • Certification Provider: Microsoft
  • Corresponding Certification: Azure Cosmos DB Developer Specialty
  • Exam Questions: 281
  • Updated On: Sep,05 2026
  • Certification Level: Specialty

Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Exam Questions

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Microsoft DP-420 Exam Overview:

Certification Vendor:Microsoft
Exam Name:Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Exam Number:DP-420
Real Exam Qty:40-60
Passing Score:700
Certificate Validity Period:12 months
Related Certifications:Microsoft Certified: Azure Developer Associate
Microsoft Certified: Azure Solutions Architect Expert
Exam Price:$165 USD
Available Languages:English, Chinese (Simplified), Japanese
Exam Duration:120 minutes
Exam Format:Multiple-choice, Practical lab scenarios, Multiple-response, Case studies, Drag-and-drop
Recommended Training:Course DP-420T00: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Exam Registration:Microsoft Learn
Pearson VUE
Sample Questions:Microsoft DP-420 Sample Questions
Exam Way:Online proctored or onsite test center
Pre Condition:No mandatory prerequisites; recommended experience: developing Azure applications, working with NoSQL databases, proficiency in C#/Java/JavaScript/Python, familiarity with Azure management
Official Syllabus URL:https://learn.microsoft.com/en-us/credentials/certifications/resources/study-guides/dp-420

Microsoft DP-420 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Maintain an Azure Cosmos DB solution25-30%- DevOps and automation
  • 1. Automate operations
  • 2. Deploy via ARM, Bicep, CLI
- Manage data movement
  • 1. Migrate between APIs or regions
  • 2. Import/export data
- Implement backup and restore
  • 1. Configure periodic backup
  • 2. Perform point-in-time restore
- Monitor and troubleshoot
  • 1. Analyze metrics and logs
  • 2. Use Azure Monitor and Application Insights
- Implement security
  • 1. Encrypt data at rest and in transit
  • 2. Manage authentication and authorization
Topic 2: Design and implement data distribution5-10%- Manage data distribution and failover
  • 1. Manage regional availability
  • 2. Define failover priorities
- Design replication strategy
  • 1. Configure multi-region replication
  • 2. Implement multi-region write
Topic 3: Optimize an Azure Cosmos DB solution15-20%- Optimize query performance
  • 1. Tune query structure and syntax
  • 2. Optimize throughput allocation
- Work with change feed
  • 1. Trigger downstream workflows
  • 2. Process changes incrementally
- Define and implement indexing strategy
  • 1. Select index types and paths
  • 2. Exclude or include properties
Topic 4: Integrate an Azure Cosmos DB solution5-10%- Integrate with Azure services
  • 1. Connect to Azure Stream Analytics
  • 2. Use with Azure Functions, Logic Apps, Event Hubs
- Enable analytical workloads
  • 1. Use Synapse Link
  • 2. Configure analytical store
Topic 5: Design and implement data models35-40%- Design and implement non-relational data models
  • 1. Reference between documents
  • 2. Define primary and unique keys
  • 3. Store multiple entity types in one container
  • 4. Configure time-to-live (TTL)
  • 5. Denormalize data across documents
  • 6. Identify data and access patterns
  • 7. Embed related entities in documents
- Plan sizing and scaling
  • 1. Provision throughput and storage
  • 2. Select consistency levels
- Design partitioning strategy
  • 1. Choose partition key based on workload
  • 2. Plan for distribution and throughput
- Implement connectivity and data access
  • 1. Write efficient SQL queries
  • 2. Use SDKs to connect and operate


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