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Microsoft DP-420 exam covers a wide range of topics, including designing and implementing Azure Cosmos DB databases, developing for scalability and performance, managing data in Azure Cosmos DB, and integrating Azure Cosmos DB with other Azure services. DP-420 exam also includes questions related to security and compliance, as well as monitoring and troubleshooting Azure Cosmos DB applications. Passing DP-420 exam validates the candidate's ability to design and implement cloud-native applications using Azure Cosmos DB, making them a valuable asset to any organization leveraging Azure services.

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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 is designed for professionals who want to hone their skills in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB. DP-420 exam validates the candidate's expertise in creating scalable and efficient cloud-native applications using Azure Cosmos DB. The DP-420 exam measures the candidate's knowledge of Microsoft Azure Cosmos DB, NoSQL data modeling, and designing globally distributed applications.

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

Microsoft DP-420 Exam Syllabus Topics:

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

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