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

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: Sep 10, 2026
  • Q & A: 281 Questions and Answers
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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

Download exam skills outline

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.

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

Microsoft DP-420 Korean Exam Syllabus Topics:

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

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