Microsoft DP-420日本語 : Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420日本語版)

DP-420日本語 real exams

Exam Code: DP-420J

Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420日本語版)

Updated: Sep 15, 2026

Q & A: 281 Questions and Answers

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A section outlining the topics of a Microsoft DP-420 Certification Exam

DP-420 Dumps cover the following topics of the Microsoft DP-420 Certification Exam:

  • Design and execute information models: 40%
  • Integrate an Azure Cosmos DB solution: 10%
  • Optimize an Azure Cosmos DB solution: 20%
  • Maintain an Azure Cosmos DB solution: 20%
  • Design and implement data distribution: 10%

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Languages: English, Japanese, Chinese (Simplified), Korean, German, French, Spanish, Portuguese (Brazil), Arabic (Saudi Arabia), Russian, Chinese (Traditional), Italian, Indonesian (Indonesia)

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.

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

Candidates for this exam must have solid knowledge and experience developing apps for Azure and working with Azure Cosmos DB database technologies. They should be proficient at developing applications by using the Core (SQL) API and SDKs, writing efficient queries and creating appropriate index policies, provisioning and managing resources in Azure, and creating server-side objects with JavaScript. They should be able to interpret JSON, read C# or Java code, and use PowerShell.

The English language version of this exam will be updated on August 4, 2022. Please download the skills measured document below to see what’s changing. If a localized version of this exam is available, it will be updated approximately eight weeks after this date.

Passing score: 700. Learn more about exam scores.

Part of the requirements for: Microsoft Certified: Azure Cosmos DB Developer Specialty

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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日本語 Exam Syllabus Topics:

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

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