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Microsoft DP-420 Korean valid exam - in .pdf Free Demo

  • Exam Code: DP-420-KR
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version)
  • Last Updated: Sep 10, 2026
  • Q & A: 281 Questions and Answers
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  • Exam Code: DP-420-KR
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version)
  • Last Updated: Sep 10, 2026
  • Q & A: 281 Questions and Answers
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Candidates who plan to take the Microsoft DP-420 exam should have a solid understanding of Azure Cosmos DB and cloud-native application development principles. They should also have practical experience in building distributed applications and working with cloud technologies. Microsoft offers training courses and resources to help candidates prepare for the exam, including online courses, study guides, and practice exams.

The Microsoft DP-420-KR exam DP-420 is designed to evaluate the candidate's knowledge and skills in designing, developing, and managing cloud-native applications using Cosmos DB. DP-420-KR exam measures the candidate's understanding of Cosmos DB concepts, data modeling, partitioning, indexing, querying, and performance optimization. DP-420-KR exam also assesses the candidate's ability to work with various APIs and SDKs, and their knowledge of Cosmos DB security and compliance.

Azure Cosmos DB is a globally distributed, multi-model database service provided by Microsoft. It is designed to handle massive amounts of data at global scale, and it supports multiple data models, including document, key-value, graph, and column-family. Azure Cosmos DB is a popular choice for building cloud-native applications because of its scalability, high availability, and global distribution capabilities.

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Microsoft DP-420 exam is designed to test the candidate's knowledge and skills in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB. DP-420-KR exam is intended for developers and architects who have an understanding of cloud computing and have experience in designing and developing cloud-native applications.

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

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