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

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DP-420 Korean

Updated: Aug 19, 2026

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Hit the link below, to know more about the Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (beta)

Official link of the Microsoft DP-420 Certification Exam

Microsoft DP-420 Korean Exam Overview:

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

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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.

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

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.

Microsoft DP-420 Korean Exam Syllabus Topics:

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

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