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

  • Exam Code: DP-420 Korean
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version)
  • Updated: Aug 28, 2026     Q & A: 281 Questions and Answers

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What are the prerequisites to take the Microsoft DP-420 Certification Exam?

There are no prerequisites for the Microsoft DP-420 Certification Exam.

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

What is the Microsoft DP-420 Certification Exam and why it is created?

DP-420 Certification Exam is also known as Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (beta). DP-420 Certification Exam is authorized by Microsoft and is an IT professional certification exam that is designed to test the knowledge and skills of the candidates for designing and implementing cloud-native applications using Microsoft Azure Cosmos DB database technologies. This certification exam is a part of the Microsoft IT Professional certification program and is the final certification exam for Azure SQL Database Administration. DP-420 Dumps is the most reliable and easiest way to pass the DP-420 exam.

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Microsoft DP-420 Korean Exam Syllabus Topics:

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