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Microsoft DP-420 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Design and implement data models for Azure Cosmos DB | - Model data for NoSQL workloads
|
| Topic 2: Design and implement data distribution | - Partitioning and scaling
|
| Topic 3: Integrate Azure Cosmos DB with Azure services | - Data pipelines and analytics
|
| Topic 4: Optimize and maintain Cosmos DB solutions | - Monitoring and troubleshooting
|
Questions & Answers: The DP-420 Exam
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Microsoft recommends these training resources for the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam:
After the training, the 206 practice questions from ExamTorrent let you make full use of sporadic time — short sessions that steadily convert study into readiness.
The Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam presents 40-60 (approx.) with 100-120 available. That pace is demanding — rehearse it in the timed mode of the ExamTorrent Desktop Test Engine until it feels familiar.
The official Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB outline comprises 4 domains. The three largest are Integrate Azure Cosmos DB with Azure services, Design and implement data distribution, and Optimize and maintain Cosmos DB solutions. The full list appears in the topics section above, and the 206 practice questions at ExamTorrent cover all of them.
The DP-420 exam is a Microsoft certification exam built around the Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB syllabus shown above. It feeds into these credential paths: Microsoft Certified: Azure Developer Associate (AZ-204), Microsoft Certified: Azure Solutions Architect Expert (AZ-305). Precisely because the exam is demanding, passing it earns real attention from employers in 2026. ExamTorrent prepares you with 206 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
No mandatory prerequisites. Recommended: experience with Azure development and NoSQL databases, especially Cosmos DB. Requirements can change, so verify the latest on the official Microsoft exam page before scheduling.
The complete preparation toolkit: 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 with instant download; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. Included as well: a free demo, 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations — all from a platform refined through years of expert effort.
Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions:
You have a container in an Azure Cosmos DB for NoSQL account that stores data about orders. The following is a sample of an order document.
Documents are up to 2 KB.
You plan to receive one million orders daily.
Customers will frequently view then past order history.
You are the evaluating whether to use orderDate as the partition key.
What are two effects of using orderDate as the partition key? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
- A. You will exceed the maximum storage per partition.
- B. Queries will run cross-partition.
- C. You will exceed the maximum number of partition key values.
- D. There will always be a hot partition.
Correct Answer: B,D 🗳️
Explanation: Only visible for ExamTorrent members. You can sign-up / login (it's free).
You plan to create an Azure Cosmos DB Core (SQL) API account that will use customer-managed keys stored in Azure Key Vault.
You need to configure an access policy in Key Vault to allow Azure Cosmos DB access to the keys.
Which three permissions should you enable in the access policy? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
- A. Wrap Key
- B. Verify
- C. Sign
- D. Get
- E. Unwrap Key
- F. Update
- G. List
Correct Answer: A,D,E 🗳️
Explanation: Only visible for ExamTorrent members. You can sign-up / login (it's free).
You have an Azure Cosmos DB for NoSQL account that contains a container named Container1.
You add a composite index to the default indexing policy of Container1. The index has the following definition.
FirstName ASC, age ASC
You plan to execute the following query against Container1.
You need to optimize the performance of the query by adding an additional index.
How should you complete the additional index? To answer, select the appropriate options in the answer area NOTE: Each correct selection is worth one point.
Correct Answer:

Explanation:
You have a database in an Azure Cosmos DB SQL API Core (SQL) account that is used for development.
The database is modified once per day in a batch process.
You need to ensure that you can restore the database if the last batch process fails. The solution must minimize costs.
How should you configure the backup settings? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct Answer:

Explanation:
You are designing a data model for an Azure Cosmos DB for NoSQL account.
What are the partition limits for request units per second (RU/s) and storage? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct Answer:

Explanation:
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