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At present, we will face all kinds of choice, of course, in terms of employment, we will always put a lot of effort, in order to the future of a better life we must constantly improve our own competitiveness, in a new era of talent gradually saturated win their own advantages, how to reflect your ability? Perhaps the most intuitive way is to get the test DP-420 certification to obtain the corresponding qualifications. However, the qualification examination is not so simple and requires a lot of effort to review. How to get the test certification effectively, I will introduce you to a product¬— the DP-420 learning materials that tells you that passing the exam in a short time is not a fantasy.

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With the increasing adoption of cloud computing, there is a growing demand for professionals who can design and implement cloud-native applications using Azure Cosmos DB. The DP-420 certification exam provides a valuable credential for individuals who want to demonstrate their expertise in this area. Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB certification can also help individuals to advance their careers by enabling them to take on more complex and challenging roles in the field of cloud computing.

The Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB certification exam is structured in such a way that it evaluates the candidate's practical knowledge and understanding of the topics covered in the course. It consists of multiple-choice questions, case studies, and scenarios that test the candidate's ability to apply their knowledge to real-world situations. DP-420 exam is designed to assess the candidate's proficiency in the design, implementation, and maintenance of cloud-native applications using Azure Cosmos DB.

Microsoft DP-420 exam is designed for professionals who want to enhance their skills in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB. Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB certification is ideal for individuals who want to pursue a career in cloud computing and database management. DP-420 exam is intended to test the candidates' knowledge and understanding of the different concepts, tools, and technologies that are associated with cloud-native application development.

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

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