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Candidates who plan to take the Microsoft DP-420 exam should have a solid understanding of Azure Cosmos DB and cloud-native application development principles. They should also have practical experience in building distributed applications and working with cloud technologies. Microsoft offers training courses and resources to help candidates prepare for the exam, including online courses, study guides, and practice exams.

If you're considering taking the DP-420 certification exam, it's important to note that it is a challenging test that requires a significant amount of preparation. However, earning this certification can help you demonstrate your expertise in cloud-native application development and increase your credibility with employers and clients.

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.

The DP-420 exam covers a wide range of topics related to Cosmos DB, including data modeling, partitioning, indexing, querying, and performance tuning. Candidates are expected to have a deep understanding of the underlying architecture of Cosmos DB and its various APIs, such as SQL, MongoDB, Cassandra, and Azure Table Storage. They should also be familiar with the best practices for designing and implementing cloud-native applications, such as microservices architecture, containerization, and serverless computing. Overall, the DP-420 certification exam is an excellent opportunity for professionals to showcase their expertise in cloud-native application development using Cosmos DB and advance their career in the field.

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 Korean Exam Syllabus Topics:

SectionWeightObjectives
Design and implement data distribution5-10%- Design replication strategy
  • 1. Implement multi-region write
  • 2. Configure multi-region replication
- Manage data distribution and failover
  • 1. Manage regional availability
  • 2. Define failover priorities
Maintain an Azure Cosmos DB solution25-30%- Implement backup and restore
  • 1. Configure periodic backup
  • 2. Perform point-in-time restore
- Monitor and troubleshoot
  • 1. Use Azure Monitor and Application Insights
  • 2. Analyze metrics and logs
- Implement security
  • 1. Manage authentication and authorization
  • 2. Encrypt data at rest and in transit
- DevOps and automation
  • 1. Deploy via ARM, Bicep, CLI
  • 2. Automate operations
- Manage data movement
  • 1. Import/export data
  • 2. Migrate between APIs or regions
Integrate an Azure Cosmos DB solution5-10%- Enable analytical workloads
  • 1. Use Synapse Link
  • 2. Configure analytical store
- Integrate with Azure services
  • 1. Connect to Azure Stream Analytics
  • 2. Use with Azure Functions, Logic Apps, Event Hubs
Design and implement data models35-40%- Plan sizing and scaling
  • 1. Select consistency levels
  • 2. Provision throughput and storage
- Design partitioning strategy
  • 1. Plan for distribution and throughput
  • 2. Choose partition key based on workload
- Implement connectivity and data access
  • 1. Write efficient SQL queries
  • 2. Use SDKs to connect and operate
- Design and implement non-relational data models
  • 1. Identify data and access patterns
  • 2. Denormalize data across documents
  • 3. Reference between documents
  • 4. Configure time-to-live (TTL)
  • 5. Define primary and unique keys
  • 6. Embed related entities in documents
  • 7. Store multiple entity types in one container
Optimize an Azure Cosmos DB solution15-20%- Work with change feed
  • 1. Process changes incrementally
  • 2. Trigger downstream workflows
- Optimize query performance
  • 1. Tune query structure and syntax
  • 2. Optimize throughput allocation
- Define and implement indexing strategy
  • 1. Select index types and paths
  • 2. Exclude or include properties

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