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  • DP-420 (Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB)
Exam Code: DP-420
Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Certification Provider: Microsoft
Corresponding Certification: Azure Cosmos DB Developer Specialty
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Following is the info about the Passing Score, Duration & Questions for the Microsoft DP-420 Exam

Information about the Passing Score, Duration & Questions for the Microsoft DP-420 Exam is given in the DP-420 Dumps. The overview of that info is as given below:

  • Time Duration: 60 minutes
  • Languages: English
  • Number of Questions: 40-60
  • The passing scores: 70%

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

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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.

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Microsoft DP-420 Exam Syllabus Topics:

SectionWeightObjectives
Design and implement data models35-40%- Implement server-side programming
  • 1. Write and deploy stored procedures
  • 2. Implement triggers
  • 3. Implement user-defined functions
- Implement data access
  • 1. Use consistency and query request options
  • 2. Implement SQL queries with arrays and aggregation
  • 3. Implement patch operations
  • 4. Implement optimistic concurrency control
  • 5. Manage transactional batch operations
  • 6. Use SDKs for CRUD operations
- Design a data partitioning strategy
  • 1. Implement synthetic partition keys
  • 2. Choose a partition key
  • 3. Plan for transactions with partition keys
  • 4. Evaluate cross-partition query cost
  • 5. Evaluate throughput and data distribution
  • 6. Choose a partitioning strategy
- Plan and implement sizing and scaling
  • 1. Evaluate throughput and storage requirements
  • 2. Choose between serverless, provisioned, and free tier
  • 3. Design resource governance and scaling
  • 4. Evaluate global distribution costs
  • 5. Configure throughput
- Design and implement a non-relational data model for Azure Cosmos DB for NoSQL
  • 1. Identify data and associated access patterns
  • 2. Store multiple related entities in the same document
  • 3. Denormalize data across documents
  • 4. Store multiple entity types in the same container
  • 5. Reference between documents
  • 6. Identify partition key, id, and unique keys
- Implement client connectivity options
  • 1. Create database connections
  • 2. Implement singleton client
  • 3. Use Azure Cosmos DB emulator
  • 4. Choose gateway or direct connectivity mode
  • 5. Configure client-side threading and logging
  • 6. Handle connection errors
Design and implement data distribution5-10%- Design and implement multi-region writes
  • 1. Implement multi-region writes
  • 2. Choose when to use multi-region writes
  • 3. Implement conflict resolution policies
- Design and implement replication strategy
  • 1. Perform manual failovers
  • 2. Define automatic failover policies
  • 3. Evaluate consistency model impacts
  • 4. Choose a consistency model
  • 5. Choose when to distribute data
Integrate an Azure Cosmos DB solution5-10%- Implement solutions across services
  • 1. Aggregate and archive data
  • 2. Implement Azure AI Search integration
  • 3. Integrate Azure Functions and Event Hubs
  • 4. Use Change Feed for denormalization
  • 5. Enforce referential integrity
- Enable analytical workloads
  • 1. Query analytical store from Synapse
  • 2. Write data back from Spark
  • 3. Enable analytical store
  • 4. Configure Azure Cosmos DB Mirroring
Optimize an Azure Cosmos DB solution15-20%- Design and implement change feeds
  • 1. Consume change feeds using SDK
  • 2. Manage change feed instances
  • 3. Implement aggregation persistence
  • 4. Develop Azure Functions triggers
- Define and implement indexing strategy
  • 1. Configure custom indexing policies
  • 2. Choose appropriate index types
  • 3. Implement composite indexes
  • 4. Choose read-heavy or write-heavy indexing
  • 5. Optimize index performance
- Optimize query performance
  • 1. Adjust indexing policies
  • 2. Calculate query cost
  • 3. Retrieve request unit cost
  • 4. Implement integrated cache
Maintain an Azure Cosmos DB solution25-30%- Monitor and troubleshoot Azure Cosmos DB solutions
  • 1. Monitor performance and availability
  • 2. Monitor metrics and logs
  • 3. Implement backup and recovery strategies
  • 4. Troubleshoot throughput issues

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