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Exam Code: DP-420
Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420日本語版)
Certification Provider: Microsoft
Corresponding Certification: Azure Cosmos DB Developer Specialty

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DP-420日本語

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Updated: Aug 07, 2026

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The Microsoft DP-420J exam is intended for professionals who work with cloud technologies and have experience in building applications using Azure Cosmos DB. Candidates should have a thorough understanding of Azure Cosmos DB's features and capabilities, including data modeling, partitioning, and consistency levels. They should also be familiar with cloud-native application development principles, such as containerization, microservices, and serverless computing.

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

Achieving the Microsoft DP-420 certification demonstrates to employers and colleagues that a candidate has the skills and knowledge to design and implement cloud-native applications using Azure Cosmos DB. Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420日本語版) certification is a valuable credential for professionals who want to advance their careers in cloud computing and data management.

Microsoft DP-420日本語 Exam Overview:

Certification Vendor:Microsoft
Exam Name:Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Exam Number:DP-420
Passing Score:700/1000
Exam Format:Multiple choice, Case study, Drag and drop, Hot area, Lab
Available Languages:English, Japanese, Chinese (Simplified), Korean
Real Exam Qty:40-60
Certificate Validity Period:1 year
Related Certifications:Microsoft Certified: Azure Cosmos DB Developer Specialty
Exam Price:$165 USD
Exam Duration:100-120
Sample Questions:Microsoft DP-420日本語 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/

The DP-420 exam is intended for solution architects, developers, and database administrators who have experience working with Azure Cosmos DB and want to showcase their skills in designing and implementing cloud-native applications using this technology. Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420日本語版) certification exam tests the candidate's ability to design and implement containers, partitions, and indexes in Azure Cosmos DB to optimize performance, scalability, and cost.

Microsoft DP-420日本語 Exam Syllabus Topics:

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

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