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Updated: Aug 31, 2026

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Learn about the importance of the Microsoft DP-420 Certification Exam

These days, every organization is moving towards cloud-based solutions to provide better services to their customers. Moreover, companies are investing heavily in their cloud-based solutions to save a lot of money and time. Microsoft Azure is a popular cloud-based solution that is used by every company to develop their cloud-based solutions. Microsoft Azure offers a lot of features and services to its customers that help them to build and deploy applications. Moreover, this cloud-based solution is used by every IT professional to build and deploy their applications. Therefore, if you want to get a job in a reputable company, you must have a good knowledge of Microsoft Azure.

DP-420 Dumps has a complete set of exam dumps for the DP-420 exam. This is the only source of information that you will need to prepare for the DP-420 certification exam. You can also get help from the braindumps of the DP-420 exam. Microsoft DP-420 Certification Exam is one of the most common certifications that every IT professional must pass in order to get a job in a reputable organization. So, it is very important for every IT professional to prepare for the DP-420 certification exam. The DP-420 certification exam 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. Therefore, this certification exam is very important for every IT professional. The updates to this certification exam will be released by Microsoft on a regular basis.

Skills measured

  • Design and implement data models (35–40%)
  • The English language version of this exam will be updated on August 4, 2022. Please download the exam skills outline below to see what’s changing.
  • Maintain an Azure Cosmos DB solution (25–30%)
  • Design and implement data distribution (5–10%)
  • Integrate an Azure Cosmos DB solution (5–10%)
  • Optimize an Azure Cosmos DB solution (15–20%)

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

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

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 Format:Practical lab scenarios, Case studies, Drag-and-drop, Multiple-response, Multiple-choice
Passing Score:700
Related Certifications:Microsoft Certified: Azure Solutions Architect Expert
Microsoft Certified: Azure Developer Associate
Real Exam Qty:40-60
Certificate Validity Period:12 months
Exam Duration:120 minutes
Available Languages:Japanese, English, Chinese (Simplified)
Recommended Training:Course DP-420T00: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Exam Registration:Pearson VUE
Microsoft Learn
Sample Questions:Microsoft DP-420 Korean Sample Questions
Exam Way:Online proctored or onsite test center
Pre Condition:No mandatory prerequisites; recommended experience: developing Azure applications, working with NoSQL databases, proficiency in C#/Java/JavaScript/Python, familiarity with Azure management
Official Syllabus URL:https://learn.microsoft.com/en-us/credentials/certifications/resources/study-guides/dp-420

Microsoft DP-420 Korean Exam Syllabus Topics:

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

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