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Free Microsoft DP-420 Exam Questions

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  • Microsoft DP-420 Exam Questions
  • Provided By: Microsoft
  • Exam: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
  • Certification: Microsoft Certified Azure Cosmos DB Developer Specialty
  • Total Questions: 291
  • Updated On: Feb 17, 2025
  • Rated: 4.9 |
  • Online Users: 582
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  • Question 1
    • You have recently joined a new company as an App developer. Which of the following metrics would you check to know if your application uses the dedicated gateway or not?

      Answer: B
  • Question 2
    • An Azure Cosmos DB Core (SQL) API account has a container that stores telemetry data from IoT devices. The container utilizes telemetryId as the partition key and has a throughput of 1000 RU/s (request units per second). Data is submitted by approx 5000 IoT devices by using the same telemetryId value every 5 minutes.

      You have an app that does analytics on the data and reads telemetry data frequently for a single IoT device to have the trend analysis.

      The below figure demonstrates the sample of a document in the container:

      What would you do for reducing the number of RUs consumed by the analytics app?


      Answer: D
  • Question 3
    • Note: This question is part of a series of questions that present the same scenario. Each question in the series
      contains a unique solution that might meet the stated goals. Some question sets might have more than one
      correct solution, while others might not have a correct solution.
      After you answer a question in this section, you will NOT be able to return to it. As a result, these questions
      will not appear in the review screen.
      You have a container named container1 in an Azure Cosmos DB Core (SQL) API account.
      You need to make the contents of container1 available as reference data for an Azure Stream Analytics job.
      Solution: You create an Azure Data Factory pipeline that uses Azure Cosmos DB Core (SQL) API as the input
      and Azure Blob Storage as the output.
      Does this meet the goal?

      Answer: B
  • Question 4
    • Container2 is a container in an Azure Cosmos DB Core (SQL) API account where Upserts of items happen every three seconds.

      You are having an Azure Functions application named function2 that is expected to run whenever the items are replaced or inserted in container2.

      You notice that function2 runs, but not on each upsert.

      You need to make sure that each upsert is processed by function2 within 1 second of the upsert. Which of the following property should you modify in the Function.json file of function2?


      Answer: B
  • Question 5
    • You have a global ecommerce application that stores data in an Azure Cosmos OB for NoSQL account. The account is contoured for multi-region writes. You need to create a stored procedure for a custom conflict resolution policy for a new container. In the event of a conflict caused by a deletion the deletion must always take priority. Which parameter should you check m the stored procedure function? 

      Answer: B
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