DP-420 exam dumps

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  • Exam Code: DP-420
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
  • No. of Questions: 281 Questions and Answers
  • Updated: Oct 08, 2026

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  • Total Questions: 281
  • Updated on: Oct 08, 2026
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  • Total Questions: 281
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  • Total Questions: 281
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Microsoft DP-420 (Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB) certification exam is a valuable credential for professionals who want to demonstrate their expertise in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB. Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB certification exam is designed for developers who have experience with cloud computing, distributed systems, and NoSQL databases.

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Microsoft's DP-420 certification exam is aimed at professionals who are interested in designing and implementing cloud-native applications using the Azure Cosmos DB platform. DP-420 exam is ideal for developers, architects, and engineers who want to validate their skills and knowledge in cloud-native application development.

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Microsoft DP-420 exam consists of multiple-choice questions and performance-based labs. DP-420 exam covers a range of topics, including designing and implementing containers, designing and implementing Azure Cosmos DB databases, data access, and data storage. DP-420 exam also covers topics related to security, monitoring, and troubleshooting Azure Cosmos DB applications.

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

Microsoft DP-420 exam focuses on designing and implementing cloud-native applications using Microsoft Azure Cosmos DB. DP-420 exam is ideal for professionals who are looking to gain a deeper understanding of Cosmos DB and its capabilities. Cosmos DB is a globally distributed, multi-model database service that is designed for mission-critical applications. It provides seamless scaling, high availability, and low latency for data access, making it a popular choice for cloud-native applications.

Microsoft DP-420 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Maintain an Azure Cosmos DB solution25-30%- Implement security
  • 1. Encrypt data at rest and in transit
  • 2. Manage authentication and authorization
- Implement backup and restore
  • 1. Perform point-in-time restore
  • 2. Configure periodic backup
- DevOps and automation
  • 1. Automate operations
  • 2. Deploy via ARM, Bicep, CLI
- Manage data movement
  • 1. Migrate between APIs or regions
  • 2. Import/export data
- Monitor and troubleshoot
  • 1. Analyze metrics and logs
  • 2. Use Azure Monitor and Application Insights
Topic 2: Design and implement data models35-40%- Implement connectivity and data access
  • 1. Use SDKs to connect and operate
  • 2. Write efficient SQL queries
- Design and implement non-relational data models
  • 1. Reference between documents
  • 2. Embed related entities in documents
  • 3. Configure time-to-live (TTL)
  • 4. Identify data and access patterns
  • 5. Denormalize data across documents
  • 6. Define primary and unique keys
  • 7. Store multiple entity types in one container
- Plan sizing and scaling
  • 1. Provision throughput and storage
  • 2. Select consistency levels
- Design partitioning strategy
  • 1. Choose partition key based on workload
  • 2. Plan for distribution and throughput
Topic 3: Integrate an Azure Cosmos DB solution5-10%- Enable analytical workloads
  • 1. Use Synapse Link
  • 2. Configure analytical store
- Integrate with Azure services
  • 1. Connect to Azure Stream Analytics
  • 2. Use with Azure Functions, Logic Apps, Event Hubs
Topic 4: Optimize an Azure Cosmos DB solution15-20%- Work with change feed
  • 1. Process changes incrementally
  • 2. Trigger downstream workflows
- Optimize query performance
  • 1. Optimize throughput allocation
  • 2. Tune query structure and syntax
- Define and implement indexing strategy
  • 1. Exclude or include properties
  • 2. Select index types and paths
Topic 5: Design and implement data distribution5-10%- Manage data distribution and failover
  • 1. Manage regional availability
  • 2. Define failover priorities
- Design replication strategy
  • 1. Configure multi-region replication
  • 2. Implement multi-region write

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