What is Cosmos DB Developer Specialty - DP-420 ?

Microsoft Azure DP-420 is a globally recognized certification focused on designing and implementing cloud-native applications using Microsoft Azure Cosmos DB.
It’s designed to equip you with the knowledge to design and implement data models, data distribution, and integrate Azure Cosmos DB solutions.
This certification is ideal for developers responsible for building and maintaining applications that leverage Azure Cosmos DB for scalable, high-performance data storage.

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Exam Information

About the exam

The Cosmos DB DP-420 exam focuses on:

Designing and implementing data models: Creating non-relational data models, defining partition keys, and establishing relationships between entities.
Designing and implementing data distribution: Implementing partitioning strategies, configuring throughput, and managing data consistency.
Integrating an Azure Cosmos DB solution: Connecting applications to Cosmos DB using SDKs, managing connections, and handling data access.
Optimizing an Azure Cosmos DB solution: Tuning performance, managing indexes, and scaling resources to meet application demands.
Maintaining an Azure Cosmos DB solution: Monitoring performance, implementing security measures, and managing backups and disaster recovery.

Ideal for developers working with Azure Cosmos DB, DP-420 helps develop essential skills to effectively design, implement, and maintain cloud-native applications.

Exam Details

⏳ Duration:
100 minutes

📜 Policy:
Proctored, no open book, may include interactive tasks.

🔄 Retakes:
24-hour wait after the first attempt; longer for further retakes.

🌍 Languages:
Available in English, French, Spanish, German, Arabic, Chinese (Simplified & Traditional), and more.

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Support available if needed.

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Validate Practical Skills

Cosmos DB DP-420 validates your practical skills in designing and implementing cloud-native applications using Azure Cosmos DB.
Whether you're creating data models, optimizing performance, or integrating with other Azure services, this certification proves your readiness to build scalable, high-performance applications on Azure.