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

DP-420 real exams

Exam Code: DP-420

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

Updated: Aug 18, 2026

Q & A: 281 Questions and Answers

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Who should take the Microsoft DP-420 Certification Exam?

The targeted audience of the Microsoft DP-420 Certification Exam is IT professionals, who are interested in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB database technologies. The Microsoft DP-420 Certification Exam is an important certification exam for every IT professional, who wants to get a job in a reputable company. DP-420 Dumps suggest that those individuals who have job titles like Azure SQL Database Administrator, Azure SQL Database Developer, Azure Cosmos DB Administrator, and Azure Cosmos DB Developer can also take this certification exam.

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What are the objectives of the Microsoft DP-420 Certification Exam?

As per the guidance of the DP-420 Dumps, there are 02 main objectives of the Microsoft DP-420 Certification Exam. The first is to understand Azure Cosmos DB architecture & components, and the second is to understand the design and implementation of cloud-native applications using Microsoft Azure Cosmos DB. Assessment of the candidate's technical knowledge and skills in the field of Azure SQL Database Administration.

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

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Microsoft DP-420 Exam Syllabus Topics:

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

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