Free Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Exam DP-420 Exam Practice Test

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Total Questions: 102
  • You have an Azure Cosmos DB for NoSQL account.You need to create an Azure Monitor query that lists recent modifications to the regional failover policy.Which Azure Monitor table should you query?

    Answer: D Next Question
  • 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 result1 these questions will not appear in the review screen.You have a database in an Azure Cosmos DB for NoSQL account that is configured for multi-region writes.You need to use the Azure Cosmos OB SDK to implement the conflict resolution policy for a container. The solution must ensure that any conflicts are sent to the conflicts feed.Solution: You set ConflictResolutionMode to Laswriterwins and you use the default settings for the policy.Does this meet the goal?

    Answer: A Next Question
  • 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 an Azure Cosmos DB Core (SQL) API account named account 1 that uses autoscale throughput.You need to run an Azure function when the normalized request units per second for a container in account1 exceeds a specific value.Solution: You configure an application to use the change feed processor to read the change feed and you configure the application to trigger the function.Does this meet the goal?

    Answer: B Next Question
  • You have an Azure Cosmos DB Core (SQL) API account.You run the following query against a container in the account.SELECTIS_NUMBER('1234') AS A,IS_NUMBER(1234) AS B,IS_NUMBER({prop: 1234}) AS CWhat is the output of the query?

    Answer: A Next Question
  • 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?

    Answer: A Next Question
  • You need to create a database in an Azure Cosmos DB for NoSQL account. The database will contain three containers named coll1, coll2 and coll3. The coll1 container will have unpredictable read and write volumes. The col!2 and coll3 containers will have predictable read and write volumes. The expected maximum throughput for coll1 and coll2 is 50,000 request units per second (RU/s) each.How should you provision the collection while minimizing costs?

    Answer: B Next Question
  • You have an Azure Cosmos DB for NoSQL account that has multiple write regions.You need to receive an alert when requests that target the database exceed the available request units per second (RU/s).Which Azure Monitor signal should you use?

    Answer: B Next Question
  • You have an Azure Cosmos DB Core (SQL) API account that is used by 10 web apps.You need to analyze the data stored in the account by using Apache Spark to create machine learning models. The solution must NOT affect the performance of the web apps.Which two actions should you perform? Each correct answer presents part of the solution.NOTE: Each correct selection is worth one point.

    Answer: A, D Next Question
  • You need to create a data store for a directory of small and medium-sized businesses (SMBs). The data store must meet the following requirements:* Store companies and the users employed by them. Each company will have less than 1,000 users.* Some users have data that is greater than 2 KB.* Associate each user to only one company.* Provide the ability to browse by company.* Provide the ability to browse the users by company.* Whenever a company or user profile is selected, show a details page for the company and all the related users.* Be optimized for reading data.Which design should you implement to optimize the data store for reading data?

    Answer: B Next Question
  • You have a database in an Azure Cosmos DB for NoSQL account that is configured for multi-region writes.You need to use the Azure Cosmos DB SDK to implement the conflict resolution policy for a container. The solution must ensure that any conflict sent to the conflict feed.Solution: You set ConfilictResolutionMode to Custom. You Set ResolutionProcedures to a custom stored procedure. You configure the custom stored procedure to use the isTomstone parameter to resolve conflict.Does this meet the goal?

    Answer: A Next Question
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Total Questions: 102