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Microsoft DP-420 Exam

Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Exam Code: DP-420
Related Certification(s): Microsoft Azure Cosmos DB Developer Specialty Certification
Certification Provider: Microsoft
Number of DP-420 practice questions in our database: 125 (updated: Jun. 13, 2024)
Expected DP-420 Exam Topics, as suggested by Microsoft :
  • Topic 1: Develop a design by storing multiple related entities in the same document/ Design partitioning for workloads that require multiple partition keys
  • Topic 2: Implement data access by using the Azure Cosmos DB SQL language/ Enable offline development by using the Azure Cosmos DB emulator
  • Topic 3: Implement a point operation that creates, updates, and deletes documents/ Design and implement a non-relational data model for Azure Cosmos DB Core API
  • Topic 4: Manage the number of change feed instances by using the change feed estimator/ Calculate and evaluate throughput distribution based on partition key selection
  • Topic 5: Integrate events with other applications by using Azure Functions and Azure Event Hubs/ Initiate a regional failover by using PowerShell or Azure CLI
  • Topic 6: Plan and implement sizing and scaling for a database created with Azure Cosmos DB/ Implement queries that use arrays, nested objects, aggregation, and ordering
  • Topic 7: Implement server-side programming in Azure Cosmos DB Core API by using JavaScript/ Develop a design by storing multiple entity types in the same container
  • Topic 8: Evaluate the impact of consistency model choices on availability and associated RU cost/ Evaluate the throughput and data storage requirements for a specific workload
  • Topic 9: Enable a connection to an analytical store and query from Azure Synapse Spark or Azure/ Implement client connectivity options in the Azure Cosmos DB SDK
  • Topic 10: Aggregate data by using Change Feed and Azure Functions, including reporting/ Manage data plane access to Azure Cosmos DB by using Azure Active Directory
  • Topic 11: Configure throughput for Azure Cosmos DB by using the Azure portal/ Define automatic failover policies for regional failure for Azure Cosmos DB Core API
  • Topic 12: Implement a custom conflict resolution policy for Azure Cosmos DB Core API/ Evaluate the impact of consistency model choices on performance and latency
  • Topic 13: Calculate and evaluate data distribution based on partition key selection/ Provision and manage Azure Cosmos DB resources by using Azure Resource Manager templates (ARM templates)
  • Topic 14: Migrate between standard and autoscale throughput by using PowerShell or Azure CLI/ Implement queries that use mathematical, string, and date functions
  • Topic 15: Define and implement an indexing strategy for an Azure Cosmos DB Core API/ Implement backup and restore for an Azure Cosmos DB solution
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Free Microsoft DP-420 Exam Actual Questions

Note: Premium Questions for DP-420 were last updated On Jun. 13, 2024 (see below)

Question #1

Your company develops an application named App1 that uses the Azure Cosmos DB SDK and the Eventual consistency level.

App1 queries an Azure Cosmos DB for NoSQL account named account!

You need to identify which consistency level to assign to App1 to meet the following requirements:

* Maximize the throughput of the queries generated by App1 without increasing the number of request units currently used by the queries.

* Provide the highest consistency guarantees.

Which consistency level should you identify?

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Correct Answer: A

Question #2

You have an Azure Cosmos DB database that contains a container named container 1. The container1 container is configured with a maximum of 20,000 RU/s and currently contains 240 GB of data.

You need to estimate the costs of container1 based on the current usage.

How many RU/s will be charged?

Reveal Solution Hide Solution
Correct Answer: C

Question #3

You have a database named db1in an Azure Cosmos DB for NoSQL account named account 1.

You need to write JSON data to db1 by using Azure Stream Analytics. The solution must minimize costs.

Which should you do before you can use db1 as an output of Stream Analytics?

Reveal Solution Hide Solution
Correct Answer: A

Question #4

You have an Azure Cosmos DB database that contains a container named container 1. The container1 container is configured with a maximum of 20,000 RU/s and currently contains 240 GB of data.

You need to estimate the costs of container1 based on the current usage.

How many RU/s will be charged?

Reveal Solution Hide Solution
Correct Answer: C

Question #5

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 container! in an Azure Cosmos DB for NoSQL account.

You need to make the contents of container1 available as reference data for an Azure Stream Analytics job.

Solution: You create an Azure function that uses the Azure Cosmos 08 for NoSQL change feed as a trigger and an Azure event hub as the output.

Does this meet the goal?

Reveal Solution Hide Solution
Correct Answer: A


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