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

These Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420) exam topics are organized according to official exam domains to help candidates quickly verify coverage and focus on assessment rather than theory. Each domain is paired with topic-wise DP-420 sample questions that reflect how objectives are tested in the actual exam. This structure enables efficient review, targeted self-assessment, and rapid identification of weak areas when preparing for the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB certification exam.

Let's Practice Free Microsoft DP-420 Questions Aligned with Official Exam Topics

Follows Microsoft's official outline Updated 07 Sep, 2026 5 Topics
Reviewed by Liam Green, Microsoft DP-420 Certified Professional
Topic Content
Design and Implement Data Models encompasses creating and structuring non-relational data models specifically for Azure Cosmos DB for NoSQL, including designing effective data partitioning strategies to optimize query performance and distribution. This topic covers planning and implementing appropriate sizing and scaling configurations for databases to handle varying workloads and performance requirements. Additionally, it involves implementing client connectivity options through the Azure Cosmos DB SDK, enabling seamless application integration and communication with the database. Candidates must master data access techniques using... See More
Sample Questions for Topic 1 : Design and Implement Data Models
Q1

You have a database in an Azure Cosmos DB Core (SQL) API account. The database is backed up every two hours.

You need to implement a solution that supports point-in-time restore.

What should you do first?

Topic Content
Design and Implement Data Distribution encompasses the strategic planning and execution of data replication across multiple geographic regions to ensure high availability, disaster recovery, and optimal performance. This includes designing and implementing a comprehensive replication strategy for Azure Cosmos DB that determines how data is copied and synchronized across different regions, ensuring data consistency and minimizing latency for global users. Additionally, it covers the implementation of multi-region write capabilities, which allows applications to write data simultaneously to multiple regions rather... See More
Sample Questions for Topic 2 : Design and Implement Data Distribution
Q2

You have an Azure Cosmos DB Core (SQL) API account.

You configure the diagnostic settings to send all log information to a Log Analytics workspace.

You need to identify when the provisioned request units per second (RU/s) for resources within the account were modified.

You write the following query.

AzureDiagnostics

| where Category == "ControlPlaneRequests"

What should you include in the query?

Topic Content
Integrate an Azure Cosmos DB Solution encompasses enabling analytical workloads within Azure Cosmos DB to support advanced data analysis and reporting capabilities. This involves configuring and optimizing the analytical engine to process large-scale datasets efficiently while maintaining transactional consistency. Additionally, implementing solutions across multiple Azure services requires establishing seamless connectivity and data flow between Cosmos DB and complementary services such as Azure Synapse Analytics, Azure Data Factory, and Azure Machine Learning. Organizations must design integration patterns that leverage Cosmos DBs... See More
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Topic Content
Optimize an Azure Cosmos DB Solution This topic covers essential strategies for enhancing Azure Cosmos DB performance and functionality. You will learn how to improve query performance when working with the NoSQL API by optimizing query patterns, understanding request units, and leveraging query metrics for analysis. Additionally, you will explore the design and implementation of change feeds to capture and process data modifications in real-time, enabling event-driven architectures and data synchronization scenarios. The topic also emphasizes defining and implementing effective indexing... See More
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Topic Content
Maintain an Azure Cosmos DB Solution encompasses monitoring and troubleshooting techniques to identify and resolve performance issues, errors, and anomalies within your database environment. It includes implementing comprehensive backup and restore strategies to ensure data protection and business continuity in case of data loss or corruption. Security implementation focuses on protecting your Cosmos DB resources through authentication, authorization, encryption, and compliance measures. Data movement capabilities enable seamless migration, replication, and synchronization of data across regions and systems to support global... See More
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