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

Skills measured

  • Integrate an Azure Cosmos DB solution (5–10%)
  • Maintain an Azure Cosmos DB solution (25–30%)
  • Design and implement data distribution (5–10%)
  • The English language version of this exam will be updated on August 4, 2022. Please download the exam skills outline below to see what’s changing.
  • Optimize an Azure Cosmos DB solution (15–20%)
  • Design and implement data models (35–40%)

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

Microsoft DP-420日本語 Exam Syllabus Topics:

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

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