AZ-400 Exam Preparation Material | Designing and Implementing Microsoft DevOps Solutions

Prepare for the AZ-400 with reliable study materials, practice questions, and key exam insights.

Prepare for the AZ-400 Designing and Implementing Microsoft DevOps Solutions 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

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 an Azure DevOps organization named Contoso and an Azure subscription. The subscription contains an Azure virtual machine scale set named VMSS1 that is configured for auto scaling.
You have a project in Azure DevOps named Project1. Project1 is used to build a web app named App1 and deploy App1 to VMSS1.
You need to ensure that an email alert is generated whenever VMSS1 scales in or out.
Solution: From Azure DevOps, configure the Service hooks settings for Project1.
Does this meet the goal?

A. Yes

B. No

Question#2

You store source code in a Git repository in Azure repos. You use a third-party continuous integration (CI) tool to control builds.
What will Azure DevOps use to authenticate with the tool?

A. certificate authentication

B. a personal access token (PAT)

C. a Shared Access Signature (SAS) token

D. NTLM authentication

Explanation:
Personal access tokens (PATs) give you access to Azure DevOps and Team Foundation Server (TFS), without using your username and password directly.
Reference: https://docs.microsoft.com/en-us/azure/devops/repos/git/auth-overview

Question#3

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.
Your company uses Azure DevOps to manage the build and release processes for applications.
You use a Git repository for applications source control.
You need to implement a pull request strategy that reduces the history volume in the master branch.
Solution: You implement a pull request strategy that uses an explicit merge.
Does this meet the goal?

A. Yes

B. No

Explanation:
Instead use fast-forward merge.
Note:
No fast-forward merge - This option merges the commit history of the source branch when the pull request closes and creates a merge commit in the target branch.
Reference: https://docs.microsoft.com/en-us/azure/devops/repos/git/branch-policies

Question#4

You manage source code control and versioning by using GitHub.
You need to ensure that a PowerShell script is executed automatically before rebase operations are performed.
What should you use?

A. a package

B. GitHub Copilot

C. a webbook

D. a gist

Question#5

You have an Azure Automation account that contains a webbook. The webbook is used to configure the application infrastructure of an Azure subscription.
You have a project in Azure DevOps named Project). Project1 contains a repository that stores code for the webbook.
You need to ensure that every committed change to the code will update automatically and publish the webbook to Azure Automation.
What should you configure?

A. the Connections settings for the Automation account

B. the Service hooks settings for Project1

C. the Source control settings for the Automation account

D. the Service connections settings for Project1

Exam Code: AZ-400
Q & A: 609 Q&As Updated: Oct 26,2026

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What This AZ-400 Study Resource Helps You Do

Review Key Concepts

Review the technologies, products, processes, and practical skills covered by the current AZ-400 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 AZ-400 Preparation Material

Review the Exam Scope

Start by reviewing the topics covered by the AZ-400 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.

Independent AZ-400 Preparation Resource

CertQueen independently develops its certification study materials for educational purposes. The practice questions are not copied from, recalled from, or presented as live or official exam questions.

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Exam Code: AZ-400
Q & A: 609 Q&As
Updated: Oct 26,2026

Access Complete AZ-400 Preparation Material