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What are the objectives of the Microsoft DP-420 Certification Exam?

As per the guidance of the DP-420 Dumps, there are 02 main objectives of the Microsoft DP-420 Certification Exam. The first is to understand Azure Cosmos DB architecture & components, and the second is to understand the design and implementation of cloud-native applications using Microsoft Azure Cosmos DB. Assessment of the candidate's technical knowledge and skills in the field of Azure SQL Database Administration.

Following is the info about the Passing Score, Duration & Questions for the Microsoft DP-420 Exam

Information about the Passing Score, Duration & Questions for the Microsoft DP-420 Exam is given in the DP-420 Dumps. The overview of that info is as given below:

  • Number of Questions: 40-60
  • Languages: English
  • The passing scores: 70%
  • Time Duration: 60 minutes

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

Microsoft DP-420 Korean Exam Syllabus Topics:

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

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