How much does a Microsoft DP-420 Certification Exam cost?
The Microsoft DP-420 Certification Exam costs around 165 USD.
Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/dp-420?WT.mc_id=Azure_blog-wwl
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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.
Microsoft DP-420日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|
| Topic 1: Optimize an Azure Cosmos DB solution | 15-20% | - 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
- Optimize query performance
- 1. Adjust indexing policies
- 2. Implement integrated cache
- 3. Calculate query cost
- 4. Retrieve request unit cost
- Define and implement indexing strategy
- 1. Configure custom indexing policies
- 2. Implement composite indexes
- 3. Optimize index performance
- 4. Choose read-heavy or write-heavy indexing
- 5. Choose appropriate index types
|
| Topic 2: Design and implement data models | 35-40% | - Plan and implement sizing and scaling
- 1. Configure throughput
- 2. Evaluate throughput and storage requirements
- 3. Evaluate global distribution costs
- 4. Choose between serverless, provisioned, and free tier
- 5. Design resource governance and scaling
- Implement server-side programming
- 1. Implement user-defined functions
- 2. Implement triggers
- 3. Write and deploy stored procedures
- Design a data partitioning strategy
- 1. Evaluate cross-partition query cost
- 2. Choose a partitioning strategy
- 3. Implement synthetic partition keys
- 4. Evaluate throughput and data distribution
- 5. Choose a partition key
- 6. Plan for transactions with partition keys
- 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. Reference between documents
- 4. Denormalize data across documents
- 5. Store multiple related entities in the same document
- 6. Store multiple entity types in the same container
- Implement data access
- 1. Use consistency and query request options
- 2. Implement optimistic concurrency control
- 3. Manage transactional batch operations
- 4. Use SDKs for CRUD operations
- 5. Implement patch operations
- 6. Implement SQL queries with arrays and aggregation
- Implement client connectivity options
- 1. Use Azure Cosmos DB emulator
- 2. Create database connections
- 3. Handle connection errors
- 4. Implement singleton client
- 5. Configure client-side threading and logging
- 6. Choose gateway or direct connectivity mode
|
| Topic 3: Integrate an Azure Cosmos DB solution | 5-10% | - Implement solutions across services
- 1. Enforce referential integrity
- 2. Integrate Azure Functions and Event Hubs
- 3. Implement Azure AI Search integration
- 4. Use Change Feed for denormalization
- 5. Aggregate and archive data
- Enable analytical workloads
- 1. Configure Azure Cosmos DB Mirroring
- 2. Query analytical store from Synapse
- 3. Enable analytical store
- 4. Write data back from Spark
|
| Topic 4: Design and implement data distribution | 5-10% | - Design and implement replication strategy
- 1. Perform manual failovers
- 2. Choose when to distribute data
- 3. Choose a consistency model
- 4. Evaluate consistency model impacts
- 5. Define automatic failover policies
- Design and implement multi-region writes
- 1. Implement conflict resolution policies
- 2. Implement multi-region writes
- 3. Choose when to use multi-region writes
|
| Topic 5: Maintain an Azure Cosmos DB solution | 25-30% | - Monitor and troubleshoot Azure Cosmos DB solutions
- 1. Monitor performance and availability
- 2. Monitor metrics and logs
- 3. Troubleshoot throughput issues
- 4. Implement backup and recovery strategies
|
