DP-420

Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Microsoft Certified: Azure Cosmos DB Developer Specialty
Updated   September 17,2026
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The DP-420 exam is designed to assess an individual's technical skills and knowledge related to designing, implementing, and managing cloud-native applications that use Microsoft Azure Cosmos DB as the underlying database technology. Azure Cosmos DB is a globally distributed, multi-model database service offered by Microsoft Azure. Passing DP-420 exam can help you earn Microsoft Azure Cosmos DB Developer Specialty certification.

Microsoft Certification DP-420 Exam Info

Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB DP-420 exam basic information can help you understand the test. 

 Number of Questions  40-60
 Duration  150 minutes
 Passing Score  700
 Languages

 English, Japanese, Chinese (Simplified), Korean, German, French, Spanish,

 Portuguese (Brazil), Chinese (Traditional), Italian
 Price  $165

Microsoft Azure Cosmos DB Developer Specialty DP-420 Exam Skills

Microsoft DP-420 exam assesses candidates on a range of technical skills related to working with Azure Cosmos DB in the context of cloud-native application development.

1. Design and Implement Data Models (35-40%)

Candidates should be able to design and implement data models for Azure Cosmos DB. This involves defining the structure and schema of the data to be stored in Azure Cosmos DB.
Choosing appropriate data models for different scenarios.
Defining and designing partition keys and document schemas.
Implementing data consistency models.

2. Design and Implement Data Distribution (5-10%)

Understanding how data is distributed and partitioned within Azure Cosmos DB to ensure efficient data access and scalability.
Partitioning strategies.
Scalability options.
Global distribution of data.

3. Integrate an Azure Cosmos DB Solution (5-10%)

Integrating Azure Cosmos DB with other Azure services and components to build comprehensive cloud-native applications.
Connecting Azure Cosmos DB with other Azure resources.
Implementing data pipelines.
Leveraging Azure Functions and other serverless components.

4. Optimize an Azure Cosmos DB Solution (15-20%)

Enhancing the performance and efficiency of Azure Cosmos DB solutions to meet application requirements.
Query optimization.
Indexing strategies.
Throughput and performance tuning.

5. Maintain an Azure Cosmos DB Solution (25-30%)

Managing and maintaining Azure Cosmos DB databases and applications over time.
Backup and restore procedures.
Monitoring and troubleshooting.
Security and access control.
Scaling and resource management.

Microsoft DP-420 Exam Preparation preparation material

Microsoft DP-420 exam preparation preparation material are an essential tool for those seeking to pass the DP-420 exam. These preparation material provide practice questions and real-world scenarios that help you prepare for the DP-420 exam. They cover the key concepts and skills needed to pass the exam, including data pre-processing, feature engineering, model training, and model evaluation. Using these preparation material, you can test your knowledge and identify areas where you need to improve. With the insights gained from these resources, you can confidently take the DP-420 exam and earn your certification in Microsoft Azure.

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DP-420    Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB