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Microsoft DP-420 Exam Dumps

Get All Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Exam Questions with Validated Answers

DP-420 Pack
Vendor: Microsoft
Exam Code: DP-420
Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Exam Questions: 144
Last Updated: April 20, 2026
Related Certifications: Azure Cosmos DB Developer Specialty
Exam Tags: Cloud Certifications, Microsoft Azure Certifications, Data Management Certifications, Data and AI Certifications Intermediate Microsoft Developers
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Free Microsoft DP-420 Exam Actual Questions

Question No. 1

You have a database in an Azure Cosmos DB Core (SQL) API account. The database is backed up every two hours.

You need to implement a solution that supports point-in-time restore.

What should you do first?

Show Answer Hide Answer
Correct Answer: A

Question No. 2

You have a container m an Azure Cosmos DB for NoSQL account.

Data update volumes are unpredictable.

You need to process the change teed of the container by using a web app that has multiple instances. The change feed will be processed by using the change feed processor from the Azure Cosmos DB SDK. The multiple instances must share the workload.

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

NOTE: Each correct selection is worth one point.

Show Answer Hide Answer
Correct Answer: A, E, F

Question No. 3

You have a database named db1 in an Azure Cosmos DB f You have a third-party application that is exposed thro You need to migrate data from the application to a What should you use?

Show Answer Hide Answer
Correct Answer: B

you can migrate data from various data sources to Azure Cosmos DB using different tools and methods.The choice of the migration tool depends on factors such as the data source, the Azure Cosmos DB API, the size of data, and the expected migration duration1. Some of the common migration tools are:

Azure Cosmos DB Data Migration tool: This is an open source tool that can import data to Azure Cosmos DB from sources such as JSON files, MongoDB, SQL Server, CSV files, and Azure Cosmos DB collections.This tool supports the SQL API and the Table API of Azure Cosmos DB2.

Azure Data Factory: This is a cloud-based data integration service that can copy data from various sources to Azure Cosmos DB using connectors.This tool supports the SQL API, MongoDB API, Cassandra API, Gremlin API, and Table API of Azure Cosmos DB3.

Azure Cosmos DB live data migrator: This is a command-line tool that can migrate data from one Azure Cosmos DB container to another container within the same or different account.This tool supports live migration with minimal downtime and works with any Azure Cosmos DB API4.

For your scenario, if you want to migrate data from a third-party application that is exposed through an OData endpoint to a container in Azure Cosmos DB for NoSQL, you should useAzure Data Factory.Azure Data Factory has an OData connector that can read data from an OData source and write it to an Azure Cosmos DB sink using the SQL API5. You can create a copy activity in Azure Data Factory that specifies the OData source and the Azure Cosmos DB sink, and run it on demand or on a schedule.


Question No. 4

You have an Azure subscription. The subscription contains an Azure Cosmos DB for NoSQL account named account! that hosts a container named Container 1. Container! has a provisioned throughput of 100 request units per second (RU/s) and uses a single physical partition.

Vou are evaluating the available throughput for Container1.

What is the maximum burst capacity that Container1 can accumulate?

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Correct Answer: C

Question No. 5

You have an Azure subscription.

You plan to create an Azure Cosmos DB for NoSQL database named DB1 that will store author and book data for authors that have each published up to ten books. Typical and frequent queries of the data will include:

* All books written by an individual author

* The synopsis of individual books

You need to recommend a data model for DB1. The solution must meet the following requirements:

* Support transactional updates of the author and book data.

* Minimize read operation costs.

What should you recommend?

Show Answer Hide Answer
Correct Answer: D

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