Exam Code: DP-420
Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420 Korean Version)
Certification Provider: Microsoft
Corresponding Certification: Azure Cosmos DB Developer Specialty
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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.

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

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Skills measured

  • Design and implement data models (35–40%)
  • Maintain an Azure Cosmos DB solution (25–30%)
  • Integrate an Azure Cosmos DB solution (5–10%)
  • Optimize an Azure Cosmos DB solution (15–20%)
  • Design and implement data distribution (5–10%)
  • 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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Microsoft DP-420 Korean Exam Syllabus Topics:

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

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