Microsoft DP-420 Exam : Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB

Microsoft DP-420 exam
  • Exam Code: DP-420
  • Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
  • Updated: Nov 04, 2026
  • Q & A: 206 Questions and Answers
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About Microsoft DP-420 Exam Questions

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Microsoft DP-420 Exam Overview:

Certification Vendor:Microsoft
Exam Name:Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Exam Number:DP-420
Exam Price:$165 USD
Available Languages:Japanese, English, Chinese (Simplified)
Passing Score:700
Exam Duration:120 minutes
Certificate Validity Period:12 months
Real Exam Qty:40-60
Exam Format:Multiple-choice, Case studies, Practical lab scenarios, Drag-and-drop, Multiple-response
Related Certifications:Microsoft Certified: Azure Developer Associate
Microsoft Certified: Azure Solutions Architect Expert
Recommended Training:Course DP-420T00: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Exam Registration:Pearson VUE
Microsoft Learn
Sample Questions:Free Download Pass DP-420 Exam Cram
Exam Way:Online proctored or onsite test center
Pre Condition:No mandatory prerequisites; recommended experience: developing Azure applications, working with NoSQL databases, proficiency in C#/Java/JavaScript/Python, familiarity with Azure management
Official Syllabus URL:https://learn.microsoft.com/en-us/credentials/certifications/resources/study-guides/dp-420

Microsoft DP-420 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Design and implement data models35-40%- Design partitioning strategy
  • 1. Plan for distribution and throughput
  • 2. Choose partition key based on workload
- Design and implement non-relational data models
  • 1. Reference between documents
  • 2. Identify data and access patterns
  • 3. Denormalize data across documents
  • 4. Configure time-to-live (TTL)
  • 5. Embed related entities in documents
  • 6. Define primary and unique keys
  • 7. Store multiple entity types in one container
- Plan sizing and scaling
  • 1. Select consistency levels
  • 2. Provision throughput and storage
- Implement connectivity and data access
  • 1. Write efficient SQL queries
  • 2. Use SDKs to connect and operate
Topic 2: Maintain an Azure Cosmos DB solution25-30%- Manage data movement
  • 1. Import/export data
  • 2. Migrate between APIs or regions
- Monitor and troubleshoot
  • 1. Analyze metrics and logs
  • 2. Use Azure Monitor and Application Insights
- Implement security
  • 1. Manage authentication and authorization
  • 2. Encrypt data at rest and in transit
- Implement backup and restore
  • 1. Perform point-in-time restore
  • 2. Configure periodic backup
- DevOps and automation
  • 1. Deploy via ARM, Bicep, CLI
  • 2. Automate operations
Topic 3: Integrate an Azure Cosmos DB solution5-10%- Enable analytical workloads
  • 1. Configure analytical store
  • 2. Use Synapse Link
- Integrate with Azure services
  • 1. Use with Azure Functions, Logic Apps, Event Hubs
  • 2. Connect to Azure Stream Analytics
Topic 4: Design and implement data distribution5-10%- Manage data distribution and failover
  • 1. Manage regional availability
  • 2. Define failover priorities
- Design replication strategy
  • 1. Implement multi-region write
  • 2. Configure multi-region replication
Topic 5: Optimize an Azure Cosmos DB solution15-20%- Define and implement indexing strategy
  • 1. Select index types and paths
  • 2. Exclude or include properties
- Work with change feed
  • 1. Trigger downstream workflows
  • 2. Process changes incrementally
- Optimize query performance
  • 1. Optimize throughput allocation
  • 2. Tune query structure and syntax

DP-420 Exam Questions: Frequently Asked Questions

Microsoft points candidates toward these official training resources for the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam:

Coursework builds knowledge, but practice builds confidence — the 206 practice questions from VerifiedDumps are the natural next step once the training material is behind you.

The DP-420 exam is an official Microsoft certification exam built around the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB syllabus detailed above. It counts toward these credential paths: Microsoft Certified: Azure Developer Associate, Microsoft Certified: Azure Solutions Architect Expert. Passing it demonstrates verified, job-relevant skills — one reason Microsoft credentials remain widely respected in 2026. VerifiedDumps helps you prepare with 206 practice questions available in PDF, Desktop Test Engine, and Online Test Engine formats.

According to the official outline, the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam is structured around 5 content domains. The leading three are Maintain an Azure Cosmos DB solution (25-30%), Design and implement data distribution (5-10%), and Integrate an Azure Cosmos DB solution (5-10%). The complete list appears in the topics section above, and VerifiedDumps's 206 practice questions span every domain in it.

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You need 700 to pass the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam, and registration costs $165 USD. A failed attempt means paying that fee a second time, so test yourself with the VerifiedDumps engines first — the performance review shows whether you are actually ready to spend it.

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The Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam contains 40-60 with a time limit of 120 minutes. Budgeting that time is a skill in itself — the timed mock mode in the VerifiedDumps Desktop Test Engine lets you rehearse the pace until it feels routine.

No mandatory prerequisites; recommended experience: developing Azure applications, working with NoSQL databases, proficiency in C#/Java/JavaScript/Python, familiarity with Azure management Eligibility rules can be updated, so double-check them on the official Microsoft exam page before you register.

Three things candidates mention most: coverage, flexibility, and service. You receive 206 practice questions for the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam in three formats — a printable expert-prepared PDF, a Windows Desktop Test Engine with two practice modes and offline use, and an Online Test Engine for any browser on Windows, Mac, Android, or iOS with test history and performance review. Install on unlimited computers, try the free demo first, get free updates for 365 days, and renew afterward at 50% off. Small touches matter too: hide the answers while you practice, reveal them when you check your work, and keep notes right where you study.

Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions:

Question #1

You have an Azure Cosmos DB for NoSQL account that hosts the containers shown in the following table.

You need to implement a solution for processing changes to author names. The solution must use a change feed and an Azure Function and must meet the following requirements:
* Ensure that when a name change occurs, the authorNane field in the Books container is updated within 30 minutes.
* Minimize costs.
What should you configure? To answer, select the appropriate options in the answer area.

Reveal Solution  Discussion  0

Correct Answer:


Explanation:

Question #2

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.

  • A. In an Azure Synapse Analytics serverless SQL pool, create a view that uses OPENROWSET and the CosmosDB provider.
  • B. In an Apache Spark pool in Azure Synapse, create a table that uses cosmos.olap as the data source.
  • C. Enable Azure Synapse Link for the account and Analytical store on the container.
  • D. In an Apache Spark pool in Azure Synapse, create a table that uses cosmos.oltp as the data source.
  • E. Create a private endpoint connection to the account.
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

Explanation: Only visible for VerifiedDumps members. You can sign-up / login (it's free).

Question #3

You have an Azure Cosmos DB for NoSQL account.
You need to implement Always Encrypted for all the data stored in the account. The solution must minimize administrative effort.
At which level should you define the encryption policy and set the data encryption key? To answer, drag the appropriate levels to the correct requirements. Each level may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

Reveal Solution  Discussion  0

Correct Answer:


Explanation:

Question #4

You plan to store order data in Azure Cosmos DB for NoSQL account. The data contains information about orders and their associated items.
You need to develop a model that supports order read operations. The solution must minimize the number or requests.

  • A. Create a single database that contains one container. Create a separate document for each order and embed the order items into the order documents.
  • B. Create a single database that contains one container. Store orders and order items in separate documents in the container.
  • C. Create a database for orders and a database for order items.
  • D. Create a single database that contains a container for order and a container for order items.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for VerifiedDumps members. You can sign-up / login (it's free).

Question #5

You have a container that stores data about families. The following is a sample document.

For each of the following statements, select Yes if the statement is true. otherwise, select No.
NOTE: Each correct selection is worth one point.

Reveal Solution  Discussion  0

Correct Answer:


Explanation:
Children who do no have parents defined will appear on the list = NO
Children who do not have parents defined will not appear on the list. This is because the document schema defines the children property as an array of objects that contain the firstName and gender properties of each child, as well as a parents property that references the id values of the parents. If a child does not have parents defined, it means that the parents property is either missing or empty for that child. Therefore, such a child will not be included in the list of children who have parents defined.
Children who have more than one pet will appear on the list multiple times. = Yes Children who have more than one pet will appear on the list multiple times. This is because the document schema defines the pets property as an array of objects that contain the givenName and type properties of each pet, as well as a children property that references the id values of the children who own the pet. If a child has more than one pet, it means that the child's id value will appear in the children property of multiple pet objects. Therefore, such a child will be included in the list of children who have pets multiple times.
Children who do no have pets defined will appear on the list = No
Children who do not have pets defined will not appear on the list. This is because the document schema defines the pets property as an array of objects that contain the givenName and type properties of each pet, as well as a children property that references the id values of the children who own the pet. If a child does not have pets defined, it means that the child's id value does not appear in the children property of any pet object.
Therefore, such a child will not be included in the list of children who have pets defined.

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