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  • 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
Certification Provider: Microsoft
Corresponding Certification: Azure Cosmos DB Developer Specialty

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DP-420

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Updated: Aug 15, 2026

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Learn about the importance of the Microsoft DP-420 Certification Exam

These days, every organization is moving towards cloud-based solutions to provide better services to their customers. Moreover, companies are investing heavily in their cloud-based solutions to save a lot of money and time. Microsoft Azure is a popular cloud-based solution that is used by every company to develop their cloud-based solutions. Microsoft Azure offers a lot of features and services to its customers that help them to build and deploy applications. Moreover, this cloud-based solution is used by every IT professional to build and deploy their applications. Therefore, if you want to get a job in a reputable company, you must have a good knowledge of Microsoft Azure.

DP-420 Dumps has a complete set of exam dumps for the DP-420 exam. This is the only source of information that you will need to prepare for the DP-420 certification exam. You can also get help from the braindumps of the DP-420 exam. Microsoft DP-420 Certification Exam is one of the most common certifications that every IT professional must pass in order to get a job in a reputable organization. So, it is very important for every IT professional to prepare for the DP-420 certification exam. The DP-420 certification exam is designed to test the knowledge and skills of the candidates for designing and implementing cloud-native applications using Microsoft Azure Cosmos DB database technologies. Therefore, this certification exam is very important for every IT professional. The updates to this certification exam will be released by Microsoft on a regular basis.

Following is the info about the Passing Score, Duration & Questions for the Microsoft DP-420 Exam

Information about the Passing Score, Duration & Questions for the Microsoft DP-420 Exam is given in the DP-420 Dumps. The overview of that info is as given below:

  • Languages: English
  • Number of Questions: 40-60
  • The passing scores: 70%
  • Time Duration: 60 minutes

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

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
Certificate Validity Period:1 year
Available Languages:English, Japanese, Chinese (Simplified), Korean
Exam Format:Multiple choice, Case study, Drag and drop, Hot area, Lab
Related Certifications:Microsoft Certified: Azure Cosmos DB Developer Specialty
Passing Score:700/1000
Real Exam Qty:40-60
Exam Duration:100-120
Exam Price:$165 USD
Sample Questions:Microsoft DP-420 Sample Questions
Exam Way:Online proctored exam or in-person test center
Pre Condition:No formal prerequisite exams are required. Candidates should have experience developing Azure solutions and working with Azure Cosmos DB.
Official Syllabus URL:https://learn.microsoft.com/en-us/credentials/certifications/exams/dp-420/

Microsoft DP-420 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Integrate an Azure Cosmos DB solution5-10%- Enable analytical workloads
  • 1. Query analytical store from Synapse
  • 2. Configure Azure Cosmos DB Mirroring
  • 3. Enable analytical store
  • 4. Write data back from Spark
- Implement solutions across services
  • 1. Enforce referential integrity
  • 2. Use Change Feed for denormalization
  • 3. Integrate Azure Functions and Event Hubs
  • 4. Aggregate and archive data
  • 5. Implement Azure AI Search integration
Topic 2: Maintain an Azure Cosmos DB solution25-30%- Monitor and troubleshoot Azure Cosmos DB solutions
  • 1. Monitor performance and availability
  • 2. Monitor metrics and logs
  • 3. Implement backup and recovery strategies
  • 4. Troubleshoot throughput issues
Topic 3: Optimize an Azure Cosmos DB solution15-20%- Define and implement indexing strategy
  • 1. Choose read-heavy or write-heavy indexing
  • 2. Choose appropriate index types
  • 3. Optimize index performance
  • 4. Implement composite indexes
  • 5. Configure custom indexing policies
- Optimize query performance
  • 1. Calculate query cost
  • 2. Adjust indexing policies
  • 3. Retrieve request unit cost
  • 4. Implement integrated cache
- Design and implement change feeds
  • 1. Implement aggregation persistence
  • 2. Consume change feeds using SDK
  • 3. Manage change feed instances
  • 4. Develop Azure Functions triggers
Topic 4: Design and implement data models35-40%- Design and implement a non-relational data model for Azure Cosmos DB for NoSQL
  • 1. Reference between documents
  • 2. Store multiple entity types in the same container
  • 3. Identify data and associated access patterns
  • 4. Denormalize data across documents
  • 5. Identify partition key, id, and unique keys
  • 6. Store multiple related entities in the same document
- Plan and implement sizing and scaling
  • 1. Evaluate global distribution costs
  • 2. Design resource governance and scaling
  • 3. Evaluate throughput and storage requirements
  • 4. Configure throughput
  • 5. Choose between serverless, provisioned, and free tier
- Implement server-side programming
  • 1. Implement user-defined functions
  • 2. Write and deploy stored procedures
  • 3. Implement triggers
- Design a data partitioning strategy
  • 1. Evaluate throughput and data distribution
  • 2. Plan for transactions with partition keys
  • 3. Evaluate cross-partition query cost
  • 4. Implement synthetic partition keys
  • 5. Choose a partition key
  • 6. Choose a partitioning strategy
- Implement client connectivity options
  • 1. Choose gateway or direct connectivity mode
  • 2. Handle connection errors
  • 3. Use Azure Cosmos DB emulator
  • 4. Create database connections
  • 5. Implement singleton client
  • 6. Configure client-side threading and logging
- Implement data access
  • 1. Use consistency and query request options
  • 2. Use SDKs for CRUD operations
  • 3. Implement SQL queries with arrays and aggregation
  • 4. Manage transactional batch operations
  • 5. Implement optimistic concurrency control
  • 6. Implement patch operations
Topic 5: Design and implement data distribution5-10%- Design and implement multi-region writes
  • 1. Choose when to use multi-region writes
  • 2. Implement multi-region writes
  • 3. Implement conflict resolution policies
- Design and implement replication strategy
  • 1. Evaluate consistency model impacts
  • 2. Choose when to distribute data
  • 3. Choose a consistency model
  • 4. Define automatic failover policies
  • 5. Perform manual failovers

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