DP-420 Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Free Practice Exam Questions (2026 Updated)

Prepare effectively for your Microsoft DP-420 Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2026, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 194 questions

Question # 26

You have an Azure Cosmos DB Core (SQL) API account named account1.

In account1, you run the following query in a container that contains 100GB of data.

SELECT *

FROM c

WHERE LOWER(c.categoryid) = " hockey "

You view the following metrics while performing the query.

For each of the following statements, select Yes if the statement is true. Otherwise, select No.

NOTE: Each correct selection is worth one point.

Question # 27

You are troubleshooting the current issues caused by the application updates.

Which action can address the application updates issue without affecting the functionality of the application?

Enable time to live for the con-product container.

Set the default consistency level of account1 to strong.

Set the default consistency level of account1 to bounded staleness.

Add a custom indexing policy to the con-product container.

Question # 28

You configure multi-region writes for account1.

You need to ensure that App1 supports the new configuration for account1. The solution must meet the business requirements and the product catalog requirements.

What should you do?

Set the default consistency level of accountl to bounded staleness.

Create a private endpoint connection.

Modify the connection policy of App1.

Increase the number of request units per second (RU/s) allocated to the con-product and con-productVendor containers.

Question # 29

You need to identify which connectivity mode to use when implementing App2. The solution must support the planned changes and meet the business requirements.

Which connectivity mode should you identify?

Direct mode over HTTPS

Gateway mode (using HTTPS)

Direct mode over TCP

Question # 30

You need to select the partition key for con-iot1. The solution must meet the IoT telemetry requirements.

What should you select?

the timestamp

the humidity

the temperature

the device ID

Question # 31

You need to recommend indexes for con-product and con-productVendor. The solution must meet the product catalog requirements and the business requirements.

Which type of index should you recommend for each container? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 32

You need to provide a solution for the Azure Functions notifications following updates to con-product. The solution must meet the business requirements and the product catalog requirements.

Which two actions should you perform? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

Configure the trigger for each function to use a different leaseCollectionPrefix

Configure the trigger for each function to use the same leaseCollectionNair.e

Configure the trigger for each function to use a different leaseCollectionName

Configure the trigger for each function to use the same leaseCollectionPrefix

Question # 33

You need to implement a solution to meet the product catalog requirements.

What should you do to implement the conflict resolution policy.

Remove frequently changed field from the index policy of the con-product container.

Disable indexing on all fields in the index policy of the con-product container.

Set the default consistency level for account1 to eventual.

Create a new container and migrate the product catalog data to the new container.

Question # 34

You need to select the capacity mode and scale configuration for account2 to support the planned changes and meet the business requirements. What should you select? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.