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Skills measured

  • Integrate an Azure Cosmos DB solution (5–10%)
  • Design and implement data distribution (5–10%)
  • Design and implement data models (35–40%)
  • Maintain an Azure Cosmos DB solution (25–30%)
  • Optimize an Azure Cosmos DB solution (15–20%)
  • The English language version of this exam will be updated on August 4, 2022. Please download the exam skills outline below to see what’s changing.

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The Microsoft DP-420 Certification Exam costs around 165 USD.

Get to know about the salary of the Microsoft DP-420 certified professional

The salary of the Microsoft DP-420 Certified professional depends on the type of the organization, company size, location, and the number of years of experience. It also depends on the job title of the Microsoft DP-420 certified professional. The average salary a Microsoft DP-420 certified professional can get, after passing the exam with the help of the DP-420 Dumps is as follows:

  • In Sweden: 37,000 SEK
  • In the United Kingdom: 56,000 GBP
  • In Germany: 43,000 EUR
  • In India: 45,000 INR
  • In the United States: 85,000 USD

Hit the link below, to know more about the Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (beta)

Official link of the Microsoft DP-420 Certification Exam

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

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Microsoft DP-420 Exam Syllabus Topics:

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