Help You in Microsoft DP-420 Exam Preparation [2026]

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Microsoft DP-420 Exam Syllabus Topics:

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

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Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions (Q66-Q71):

NEW QUESTION # 66
You have an Azure Cosmos DB for NoSQL account named accounts1.
You plan to implement the integrated cache for account1.
You need to configure the connectivity mode and the consistency level for requests that target account1. The solution must maximize consistency while using the integrated cache.
What should you configure? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:


NEW QUESTION # 67
You provision an Azure Cosmos DB for NoSQL container. You set the throughput to Autoscale, and the maximum request units per second (RU/s) to 20,000.
For how many RU/s will you be charged when the actual RU/s usage is zero?

Answer: B

Explanation:
When we are using autoscale the container will not scale to 0, it will be at least 10% of your maximum throughput.
https://azure.microsoft.com/en-us/pricing/details/cosmos-db/autoscale-provisioned/


NEW QUESTION # 68
You have an Azure Cosmos DB Core (SQL) API account that is configured for multi-region writes. The account contains a database that has two containers named container1 and container2.
The following is a sample of a document in container1:
{
"customerId": 1234,
"firstName": "John",
"lastName": "Smith",
"policyYear": 2021
}
The following is a sample of a document in container2:
{
"gpsId": 1234,
"latitude": 38.8951,
"longitude": -77.0364
}
You need to configure conflict resolution to meet the following requirements:
For container1 you must resolve conflicts by using the highest value for policyYear.
For container2 you must resolve conflicts by accepting the distance closest to latitude: 40.730610 and longitude: -73.935242.
Administrative effort must be minimized to implement the solution.
What should you configure for each container? To answer, drag the appropriate configurations to the correct containers. Each configuration may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/conflict-resolution-policies
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/how-to-manage-conflicts


NEW QUESTION # 69
Hotspot Question
You have an Azure Cosmos DB for NoSQL container that contains the following item.

You need to update the OrderQty value to 5 by using a patch operation.
How should you complete the JSON Patch document? To answer, select the appropriate options in the answer area.

Answer:

Explanation:


NEW QUESTION # 70
You are implementing an Azure Data Factory data flow that will use an Azure Cosmos DB (SQL API) sink to write a dataset. The data flow will use 2,000 Apache Spark partitions.
You need to ensure that the ingestion from each Spark partition is balanced to optimize throughput.
Which sink setting should you configure?

Answer: A


NEW QUESTION # 71
......

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