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Languages: English, Japanese, Chinese (Simplified), Korean, German, French, Spanish, Portuguese (Brazil), Arabic (Saudi Arabia), Russian, Chinese (Traditional), Italian, Indonesian (Indonesia)

Retirement date: none

This exam measures your ability to accomplish the following technical tasks: design and implement data models; design and implement data distribution; integrate an Azure Cosmos DB solution; optimize an Azure Cosmos DB solution; and maintain an Azure Cosmos DB solution.

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

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How much does a Microsoft DP-420 Certification Exam cost?

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

Who should take the Microsoft DP-420 Certification Exam?

The targeted audience of the Microsoft DP-420 Certification Exam is IT professionals, who are interested in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB database technologies. The Microsoft DP-420 Certification Exam is an important certification exam for every IT professional, who wants to get a job in a reputable company. DP-420 Dumps suggest that those individuals who have job titles like Azure SQL Database Administrator, Azure SQL Database Developer, Azure Cosmos DB Administrator, and Azure Cosmos DB Developer can also take this 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 Korean Exam Syllabus Topics:

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

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