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

Exam Code: DP-420

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

Updated: Aug 19, 2026

Q & A: 281 Questions and Answers

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About Microsoft DP-420 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.

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Retirement date: none

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.

Get to know about the difficulties you can face while preparing for the Microsoft DP-420 Certification Exam

There are several difficulties you may face while preparing for the Microsoft DP-420 Certification Exam. Following are the difficulties you may face while preparing for the Microsoft DP-420 Certification Exam:

Time management is one of the most important skills to prepare for the Microsoft DP-420 Certification Exam. You should always manage your time properly. It will help you to prepare for the DP-420 Certification Exam in the given time. You should manage your stress levels. You should never get stressed while preparing for the Microsoft DP-420 Certification Exam. Stress will not only affect your preparation but will also affect your performance during the DP-420 Certification Exam. You should always prepare the questions of the Microsoft DP-420 Certification Exam in advance. You should prepare for the DP-420 Certification Exam by using the latest DP-420 Dumps.

Sometimes, you may not get all the resources to prepare for the DP-420 Certification Exam. So, you should always be ready to prepare for the DP-420 Certification Exam. You should always be ready to face the latest technologies. It will help you to prepare for the DP-420 Certification Exam and to get a good job. You should always be ready to forget things. You should always remember the things you learn from the Microsoft DP-420 Certification Exam. You should always be prepared to forget things. The candidate should always be ready to study at the given time. You should study for the DP-420 Certification Exam at the given time. You should also prepare for the DP-420 Certification Exam during your free time.

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

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