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Skills measured

  • Maintain an Azure Cosmos DB solution (25–30%)
  • 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.
  • Optimize an Azure Cosmos DB solution (15–20%)
  • Design and implement data models (35–40%)
  • Integrate an Azure Cosmos DB solution (5–10%)

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Here is everything you need to know about the Microsoft DP-420 Certification Exam

The most reliable way to pass the Microsoft DP-420 Exam

A guide about what you can expect on your DP-420 certification exam and how to pass it

Microsoft DP-420 is a certification exam that examines the knowledge and skills of the candidates for developing web applications for Azure and working with Azure Cosmos DB database technologies. This certification exam is a part of the Microsoft IT Professional certification program and is the final certification exam for Azure SQL Database Administration. Microsoft DP-420 certification exam is a very important exam as it is one of the most common exams that every IT professional needs to pass in order to get a job in a reputable organization. DP-420 Dumps is a very important tool that can help you pass the DP-420 Exam.

DP-420 exam will examine the candidates on their knowledge of Azure SQL Database administration. Candidates will be tested on their knowledge of Azure SQL Database and Azure Cosmos DB technologies. This certification exam will test the candidates on the knowledge of developing, configuring, administering, and managing Azure SQL Database and Azure Cosmos DB technologies. In this study guide, we are going to share a few resources that you can use while preparing for the Microsoft DP-420 Certification Exam. Moreover, we will also discuss the DP-420 exam topics, objectives, syllabus, exam format, and weightage of each section. So, if you are preparing for the DP-420 exam, you must read this study guide carefully.

A section outlining the topics of a Microsoft DP-420 Certification Exam

DP-420 Dumps cover the following topics of the Microsoft DP-420 Certification Exam:

  • Optimize an Azure Cosmos DB solution: 20%
  • Design and implement data distribution: 10%
  • Design and execute information models: 40%
  • Integrate an Azure Cosmos DB solution: 10%
  • Maintain an Azure Cosmos DB solution: 20%

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

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You should also try to solve the questions that you are not familiar with. You can also prepare yourself for the DP-420 Exam by using the resources like books, articles, videos, online courses, and free study guides. In addition to the above-mentioned resources, you should always keep yourself updated with the latest technologies. You should know the Microsoft DP-420 Certification Exam questions and answers in detail. You should also know the new technologies that are being introduced in the market. You should also compare your performance with other candidates. It will help you to get a clear idea about your preparation. In the end, you should practice the DP-420 Certification Exam by using the practice test software. It will help you to get a clear idea about your preparation.

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Microsoft DP-420 Korean Exam Syllabus Topics:

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

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