Exam Name: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Certification Provider: Microsoft
Corresponding Certification: Azure Cosmos DB Developer Specialty
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Updated: Oct 10, 2026
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- Total Questions: 281
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A certificate in a fast-developed industry is a promise to your career, and the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam is how you claim it. ActualTestsIT supports DP-420 candidates with 281 verified practice questions and a one-year update promise.
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 |
| Certificate Validity Period: | 1 year |
| Available Languages: | English, Japanese, Korean, Chinese (Simplified) |
| Exam Price: | $165 USD |
| Passing Score: | 700/1000 |
| Exam Format: | Case study, Hot area, Drag and drop, Multiple choice, Lab |
| Exam Duration: | 100-120 |
| Real Exam Qty: | 40-60 |
| Related Certifications: | Microsoft Certified: Azure Cosmos DB Developer Specialty |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored exam or in-person test center |
| Pre Condition: | No formal prerequisite exams are required. Candidates should have experience developing Azure solutions and working with Azure Cosmos DB. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/exams/dp-420/ |
Microsoft DP-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Integrate an Azure Cosmos DB solution | 5-10% | - Enable analytical workloads
|
| Design and implement data distribution | 5-10% | - Design and implement replication strategy
|
| Optimize an Azure Cosmos DB solution | 15-20% | - Design and implement change feeds
|
| Maintain an Azure Cosmos DB solution | 25-30% | - Monitor and troubleshoot Azure Cosmos DB solutions
|
| Design and implement data models | 35-40% | - Design and implement a non-relational data model for Azure Cosmos DB for NoSQL
|
Microsoft DP-420 Exam FAQ: Considerate Answers
Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB is an official Microsoft exam, registered under the code DP-420. Passing it earns the Azure Cosmos DB Developer Specialty certification at the Specialty level. It also connects to Microsoft Certified: Azure Cosmos DB Developer Specialty. In a fast-developed industry, this certificate is a promise to your career and your next promotion.
No formal prerequisite exams are required. Candidates should have experience developing Azure solutions and working with Azure Cosmos DB.
Vendor policies do evolve, so confirm the current conditions before you register on the official exam page.
The Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam contains 40-60 questions within 100-120. Former customers share a consistent secret: two or three regular hours of daily practice beat sporadic cramming. The ActualTestsIT engine covers every important test point, so a steady routine builds both knowledge and the pacing the clock demands.
Passing Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB requires 700/1000, and the official fee is $165 USD. Retakes bill the full $165 USD again, so treat readiness as something to verify, not assume: when your ActualTestsIT practice scores clear the requirement day after day, you are ready to book.
Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB is divided into 5 official domains, led by Integrate an Azure Cosmos DB solution (5-10%), Design and implement data distribution (5-10%), and Optimize an Azure Cosmos DB solution (15-20%). The full outline is above; while details shift over time, the main test points stay steady, and we have already sorted them for you.
Yes and yes. If you are a little suspicious, download the free demo of the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB questions and check the material before deciding. After purchase, updates are free for 365 days, with new versions sent to you as soon as test points change; after expiry, extending the update service costs 50% of the regular price.
We promise it in writing: a 100% money-back guarantee under defined conditions. Take the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam within 60 days of purchase; if you fail, claim a full refund according to your transcript by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are excluded. Alternatively, switch freely to other exam material: two equivalent products, free, with updates retained on your original purchase.
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Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions:
You have an Azure Cosmos DB for NoSQL account.
You run the following query against a container in the account.
What is the output of the query?
- A. [{"A": true, "B": false, "C": true}]
- B. [{"A": true, "B": true, "C": false}]
- C. [{"A": true, "B": true, "C": true}]
- D. [{"A": false, "B": true, "C": false}]
Correct Answer: D 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
You are building an application that will store data in an Azure Cosmos DB for NoSQL account.
The account uses the session default consistency level. The account is used by five other applications. The account has a single read-write region and 10 additional read region.
Approximately 20 percent of the items stored in the account are updated hourly.
Several users will access the new application from multiple devices.
You need to ensure that the users see the same item values consistently when they browse from the different devices. The solution must NOT affect the other applications.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
- A. Set the default consistency level to eventual
- B. Provide a stored session token when performing read requests
- C. Associate a session token to the user account
- D. Use implicit session management when performing read requests
- E. Associate a session token to the device
Correct Answer: B,C 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
You work in the Intel company that has its clients across 4 different countries, with hundreds of thousands of clients for countries 1 and 2, and a few thousand clients for countries 3 and 4.
Requests for every country total approximately 50,000 RU/s every hour of the day. The application team of the company suggests using countryId as the partition key for this container.
Which of the following statements is true?
- A. This partition key will prevent throughput hot partitions
- B. All the above
- C. This partition key will cause fan out when filtering by countryId
- D. This partition key could cause storage hot partitions
Correct Answer: D 🗳️
Explanation: Only visible for ActualTestsIT members. You can sign-up / login (it's free).
Hotspot Question
You have the indexing policy shown in the following exhibit.
\
Use the drop-down menus to select the answer choice that answers each question based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
Correct Answer:
Explanation:
Box 1: ORDER BY c.name DESC, c.age DESC
Queries that have an ORDER BY clause with two or more properties require a composite index.
The following considerations are used when using composite indexes for queries with an ORDER BY clause with two or more properties:
If the composite index paths do not match the sequence of the properties in the ORDER BY clause, then the composite index can't support the query.
The order of composite index paths (ascending or descending) should also match the order in the ORDER BY clause.
The composite index also supports an ORDER BY clause with the opposite order on all paths.
Box 2: At the same time as the item creation
Azure Cosmos DB supports two indexing modes:
Consistent: The index is updated synchronously as you create, update or delete items. This means that the consistency of your read queries will be the consistency configured for the account.
None: Indexing is disabled on the container.
Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/index-policy
While chairing a team session, you are telling the team members about the Azure Cosmos DB Emulator.
Which of the following statement is not true about Azure Cosmos DB Emulator?
- A. The emulator doesn't offer various Azure Cosmos DB consistency levels as offered by the cloud service.
- B. The emulator does support only a single fixed account and a familiar primary key. You can even regenerate the key while utilizing the Azure Cosmos DB Emulator.
- C. The emulator doesn't offer multi-region replication.
- D. Azure Cosmos DB Emulator offers an emulated environment that would run on the local developer workstation.
Correct Answer: B 🗳️
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