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Microsoft Azure Cosmos DB Developer Specialty DP-420-KR

DP-420 Korean

Exam Code: DP-420-KR

Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version)

Updated: Aug 14, 2026

Q & A: 281 Questions and Answers

DP-420-KR Free Demo download:

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DP-420 Korean PDF Price: $139.00  $69.99


About Microsoft DP-420-KR Exam

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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

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Microsoft DP-420 Korean Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Optimize an Azure Cosmos DB solution15-20%- Work with change feed
  • 1. Process changes incrementally
  • 2. Trigger downstream workflows
- Define and implement indexing strategy
  • 1. Exclude or include properties
  • 2. Select index types and paths
- Optimize query performance
  • 1. Optimize throughput allocation
  • 2. Tune query structure and syntax
Topic 2: Design and implement data distribution5-10%- Manage data distribution and failover
  • 1. Define failover priorities
  • 2. Manage regional availability
- Design replication strategy
  • 1. Implement multi-region write
  • 2. Configure multi-region replication
Topic 3: Design and implement data models35-40%- Design and implement non-relational data models
  • 1. Denormalize data across documents
  • 2. Define primary and unique keys
  • 3. Configure time-to-live (TTL)
  • 4. Embed related entities in documents
  • 5. Store multiple entity types in one container
  • 6. Reference between documents
  • 7. Identify data and access patterns
- Implement connectivity and data access
  • 1. Use SDKs to connect and operate
  • 2. Write efficient SQL queries
- Plan sizing and scaling
  • 1. Select consistency levels
  • 2. Provision throughput and storage
- Design partitioning strategy
  • 1. Choose partition key based on workload
  • 2. Plan for distribution and throughput
Topic 4: Maintain an Azure Cosmos DB solution25-30%- DevOps and automation
  • 1. Automate operations
  • 2. Deploy via ARM, Bicep, CLI
- Manage data movement
  • 1. Migrate between APIs or regions
  • 2. Import/export data
- Implement security
  • 1. Encrypt data at rest and in transit
  • 2. Manage authentication and authorization
- Monitor and troubleshoot
  • 1. Use Azure Monitor and Application Insights
  • 2. Analyze metrics and logs
- Implement backup and restore
  • 1. Configure periodic backup
  • 2. Perform point-in-time restore
Topic 5: Integrate an Azure Cosmos DB solution5-10%- Integrate with Azure services
  • 1. Use with Azure Functions, Logic Apps, Event Hubs
  • 2. Connect to Azure Stream Analytics
- Enable analytical workloads
  • 1. Configure analytical store
  • 2. Use Synapse Link

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