DP-420 Exam Preparation Material | Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB

Prepare for the DP-420 with reliable study materials, practice questions, and key exam insights.

Prepare for the DP-420 Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB exam with CertQueen's independently developed study resources. Review important concepts, practice scenario-based questions, and use clear explanations to identify areas that require further study.

Question#1

You have an Azure Cosmos DB for NoSQL account that contains a database named DB1. Users run the following query against DB1.

You add an index to the recordset.
You need to change the ORDER by syntax of the query to optimize the use of the index. The solution must NOT change the result set.
Which syntax should you use?

A. ORDER BY c._ts MSC, c.bikeParts ASC

B. ORDER BY c._ts ASC, c.bikeParts DESC

C. ORDER BY c.bikeParts ASC, c._ts ASC

D. order BY c.bikeParts DESC, c._ts ASC

Question#2

HOTSPOT
You have the following Azure Resource Manager (ARM) template.

You plan to deploy the template in incremental mode.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.

Question#3

You have an application that queries an Azure Cosmos 06 for NoSQL account.
You discover that the following two queries run frequently,

You need to minimize the request units (RUs) consumed by reads and writes.
What should you create?

A. a composite index for (name DESC, time stamp ASC)

B. a composite index for (name ASC, time stamp DESC)

C. a composite index for (name ASC time stamp ASC) and a composite index for (name, time stamp disc)

D. a composite index for (name ASC, time stamp ASC)

Question#4

You have an Azure subscription that contains an Azure Cosmos DB for NoSQL account
You need to write a SQL query that will return multiple items.
The solution must meet the following requirements:
• For each item returned, include the current Coordinated Universal Time (UTC) date and time, formatted as an ISO 8601 string.
• Minimize development effort.
What should you use?

A. a user-defined function

B. GetCurrentTimestamp{)

C. DateTimePart()

D. GetCurrentDateTime()

Question#5

HOTSPOT
You have an Azure Cosmos DB for NoSQL account named accounts1.
You plan to implement the integrated cache for account1.
You need to configure the connectivity mode and the consistency level for requests that target account1. The solution must maximize consistency while using the integrated cache.
What should you configure? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

Exam Code: DP-420
Q & A: 199 Q&As Updated: Nov 01,2026

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What This DP-420 Study Resource Helps You Do

Review Key Concepts

Review the technologies, products, processes, and practical skills covered by the current DP-420 exam objectives.

Practice Scenario-Based Questions

Work through independently developed questions designed to strengthen your understanding of technical scenarios and decision-making.

Identify Knowledge Gaps

Use your results and the provided explanations to find weaker areas and focus your study more effectively.

How to Use This DP-420 Preparation Material

Review the Exam Scope

Start by reviewing the topics covered by the DP-420 exam. Compare them with the official exam objectives to understand the required technologies, operational tasks, and practical skills, then identify the areas that deserve the most attention.

Practice Independently

Complete a focused set of practice questions for each topic. On your first attempt, avoid referring to notes, answers, or other study resources so that you can evaluate your current understanding more accurately.

Study the Explanations

Review the answers and explanations after completing each practice session. Understand why the correct option is appropriate for the given scenario and why the other options may be incorrect or less suitable.

Close Knowledge Gaps

Keep track of incorrect answers, unfamiliar concepts, and weaker knowledge areas. Review these topics using official documentation and practical experience, then answer the related questions again to reinforce your understanding and monitor your progress.

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Exam Code: DP-420
Q & A: 199 Q&As
Updated: Nov 01,2026