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Microsoft AZ-400 Exam Questions

Exam Name: Microsoft Designing and Implementing Microsoft DevOps Solutions Exam
Exam Code: AZ-400
Related Certification(s): Microsoft Azure DevOps Engineer Expert Certification
Certification Provider: Microsoft
Actual Exam Duration: 120 Minutes
Number of AZ-400 practice questions in our database: 628 (updated: Jul. 27, 2026)
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Emily Bell

7 days ago
I passed AZ-400, and the build and release pipeline scenarios were very practical, especially around approvals, environments, and YAML templates. Building a few end to end pipelines from scratch was the best prep I did.
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Heather Brown

28 days ago
Design and implement build and release pipelines questions usually present a broken CI/CD flow or a deployment failure and ask you to choose the fix or pipeline refactor, expect YAML troubleshooting and artifact/versioning scenarios. Focus on reusable YAML templates, pipeline variables, agent pools, and deployment strategies like blue green and canary to answer these effectively.
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David Mitchell

1 month ago
I managed to pass the Microsoft DevOps Solutions exam, and the security and compliance questions went deeper than I expected into permissions, secrets, and policy enforcement. Reviewing RBAC, Key Vault patterns, and pipeline security checks made a big difference.
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Tiffany Carter

2 months ago
Develop a security and compliance plan often shows up as case studies where you must map regulatory requirements to Azure Policy, role assignments, and key management choices, those questions test trade offs rather than single correct answers. Study Azure Policy, Blueprints, RBAC, and key vault lifecycle so you can justify when to enforce, audit, or remediate.
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Nathan Williams

2 months ago
I passed AZ-400 last week, and the hardest part was stitching together an instrumentation strategy with actionable alerts and dashboards instead of just logging everything. Practicing in Azure DevOps with real telemetry queries helped it click.
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Mark Walker

3 months ago
Develop an instrumentation strategy was a big focus for me on the test, you can expect scenario questions that ask which combination of logs, metrics, and distributed traces best diagnose a slow API call. I passed the exam after practicing Application Insights setups and learning sampling, correlation, and alert tuning, and thanks Pass4Success for providing good collection of exam questions for preparation in short time.
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Justin Walker

3 months ago
Instrumentation for distributed tracing across microservices was the trickiest topic for me on the exam. Mapping trace flows and deciding between OpenTelemetry and built-in telemetry helped me answer scenario questions faster.
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Susan Anderson

3 months ago
Another detail I stumbled over was correlating logs, metrics, and traces for root cause analysis without flooding storage.
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Matthew Bailey

3 months ago
Personally Microsoft's docs on Application Insights versus OpenTelemetry clarified which signals to prioritize.
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Dennis Stewart

3 months ago
Interestingly the simulation asked about sampling strategies and retention windows in ways I hadn't prepared for.
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Laura Ramirez

3 months ago
Note that AZ-400 scenarios often combine instrumentation with security requirements, so mention access controls and data retention in your answers.
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Mark Rivera

3 months ago
When I sketched service call graphs during practice it made it obvious where to place traces and metrics.
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Joni

4 months ago
Crushing the Microsoft DevOps exam, all thanks to the realistic pass4success practice tests I used. Highly recommended!
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Lottie

4 months ago
Pass4Success practice exams were instrumental in helping me focus on the right topics and pass the Microsoft DevOps certification. Highly effective!
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Shalon

4 months ago
Feeling relieved and proud after passing the Microsoft DevOps exam, all thanks to the Pass4Success practice tests I used.
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Amira

5 months ago
Contacting release management workflows under pressure was rough. pass4success practice questions trained me to identify dependencies fast.
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Audrie

5 months ago
The security-related questions around RBAC and least privilege were tough. pass4success simulations clarified how to apply on real dashboards.
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Leonor

5 months ago
I doubted myself at first, but Pass4Success broke down complex DevOps concepts with practical examples and mock tests—your confidence will grow, stay determined.
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Rosina

5 months ago
Nervous beginning, then Pass4Success delivered comprehensive reviews and real exam practice; I walked in with confidence—take that same momentum and push through.
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Antione

6 months ago
Pass4Success practice exams were the key to my success on the Microsoft DevOps certification. Definitely a must-have resource.
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Serina

6 months ago
Passing the Microsoft DevOps exam was a breeze with Pass4Success practice tests. Highly recommend for anyone looking to ace this certification.
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Lucille

6 months ago
Pass4Success practice exams were a lifesaver in preparing for the Microsoft DevOps certification. Couldn't have done it without them.
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Shaun

6 months ago
Aced the Microsoft DevOps exam, all thanks to the comprehensive coverage of Pass4Success practice tests. Highly effective!
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Hyun

7 months ago
I was anxious about timing and tricky questions; Pass4Success improved my pacing and provided targeted drills, making me feel ready; keep pushing forward, you'll prevail.
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Viola

7 months ago
Initial anxiety almost stopped me, but pass4success provided clear milestones and hands-on labs that built familiarity; keep grinding—success awaits.
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Annett

7 months ago
Hardest part was configuring CI/CD pipeline permissions across teams. Pass4Success practice exams walked me through common misconfigurations and best practices.
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Cecily

7 months ago
I felt unsure and overwhelmed by the breadth of topics, but Pass4Success mapped out the key areas and offered practical simulations, which boosted my confidence; stay persistent and trust your preparation.
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Bettyann

8 months ago
My nerves were through the roof before starting, yet Pass4Success organized the learning path, clarified tough concepts, and boosted my confidence; stay focused and keep practicing—you've got this.
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Jaclyn

8 months ago
The tricky question style on compliance mapping to work items challenged me. Pass4Success practice exposed the exact phrasing to look for and how to justify decisions.
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Maurine

8 months ago
Pass4Success practice exams were instrumental in helping me stay on track and pass the Microsoft DevOps certification. Definitely worth the investment.
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Tabetha

8 months ago
Feeling confident after crushing the Microsoft DevOps exam, thanks to the realistic Pass4Success practice tests I used.
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Felton

9 months ago
Revising with Pass4Success practice questions was the secret to my success on the Microsoft DevOps exam. Highly recommend!
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Laquanda

9 months ago
I struggled with scaling questions and MS DevOps architecture patterns; the Pass4Success mocks forced me to compare options quickly and pick the best fit under time.
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Sherrell

9 months ago
Pass4Success practice exams were a game-changer for me. Focusing on the key topics they highlighted made all the difference.
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Gerald

9 months ago
The design review questions about governance and policy assignment were brutal, but Pass4Success practice exams helped me map each policy to the correct ASP.NET and ARM implications.
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Carry

10 months ago
I was jittery and overthinking every question at first, but pass4success gave me structured practice, real-time feedback, and confidence to tackle the exam; you can do this too—believe in your prep and push through!
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Xenia

10 months ago
Passing the Microsoft DevOps exam was a breeze with Pass4Success practice tests - they really helped me nail the time management aspect.
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Portia

10 months ago
Just cleared the Microsoft DevOps Solutions exam! The Pass4Success practice questions were a great resource. There was a tricky question on managing source control, specifically about implementing GitFlow. It asked which branches to use for feature development and releases, and I had to think hard about it.
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Valda

10 months ago
Know how to implement database DevOps practices. Pass4Success's practice questions really helped me grasp this often-overlooked area.
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Galen

11 months ago
I passed the Microsoft DevOps Solutions exam, thanks to the Pass4Success practice questions. One challenging question was about defining a continuous delivery and release management strategy. It focused on setting up release approvals in Azure Pipelines, and I had to guess the best approach.
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Veronika

11 months ago
Expect questions on implementing quality gates in your release pipelines. Pass4Success's exam prep was invaluable for understanding this topic.
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Santos

11 months ago
Aced the MS DevOps Solutions exam! Pass4Success's prep was invaluable. Thank you!
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Emiko

1 year ago
Azure DevOps extensibility is important. Understand how to create and publish extensions. Pass4Success's practice tests covered this area thoroughly.
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Lenita

1 year ago
Just became Microsoft DevOps certified! Pass4Success made it happen in record time.
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Florinda

1 year ago
Be ready for questions on managing technical debt. Know how to use Azure DevOps features for this. Pass4Success really helped me understand this concept.
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Vincent

1 year ago
Configuration management is crucial. Understand how to use Azure Automation DSC. Pass4Success's exam prep was spot on for this topic!
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Timothy

1 year ago
Pass4Success's exam questions were a perfect match. Passed my MS DevOps cert with confidence.
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Hershel

1 year ago
Azure DevOps API usage came up. Know how to interact with Azure DevOps programmatically. Pass4Success's practice questions covered this well.
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Antonio

1 year ago
Expect questions on continuous monitoring and feedback loops. Understand how to implement application insights. Pass4Success really helped me prepare for this!
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Erick

1 year ago
Nailed the Microsoft DevOps exam today. Pass4Success's prep was spot on!
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Xuan

1 year ago
Azure Policy questions are important. Know how to create and assign policies. Pass4Success's exam prep was crucial for understanding this area.
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Dwight

1 year ago
MS DevOps cert acquired! Pass4Success's materials were worth every penny.
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Garry

1 year ago
Dependency management is key. Understand how to handle package dependencies in your projects. Pass4Success's practice tests really helped me grasp this topic.
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Izetta

1 year ago
Be prepared for questions on integrating third-party tools with Azure DevOps. Pass4Success's comprehensive coverage helped me nail these questions.
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Edison

1 year ago
Thanks to Pass4Success, I breezed through the Microsoft DevOps Solutions exam. Highly recommend!
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Dino

1 year ago
Azure DevOps Server configuration came up. Know how to set up and manage on-premises installations. Pass4Success's practice questions were spot on for this topic!
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Jamey

2 years ago
Expect questions on release management strategies. Know blue-green deployments and canary releases. Pass4Success really helped me understand these concepts.
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Vilma

2 years ago
Pass4Success's practice questions were eerily similar to the real MS DevOps exam. Passed easily!
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Twanna

2 years ago
Excited to have passed the Microsoft DevOps Solutions exam! The Pass4Success practice questions were very helpful. One question that I found tricky was about facilitating communication and collaboration. It asked how to set up Azure DevOps to support cross-functional teams, and I wasn't entirely sure of the configuration.
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Tawna

2 years ago
Monitoring and logging are important. Understand Azure Monitor and how to set up alerts. Pass4Success's exam prep was invaluable for this section.
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William

2 years ago
Infrastructure as Code (IaC) is a hot topic. Be familiar with ARM templates and Terraform. Pass4Success's practice tests helped me ace these questions!
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Ricki

2 years ago
Microsoft DevOps certification: check! Pass4Success made it possible in such a short time.
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Kattie

2 years ago
I passed the Microsoft DevOps Solutions exam, and the practice questions from Pass4Success were a great help. There was a difficult question on defining and implementing continuous integration. It asked about integrating automated tests into the CI pipeline, and I had to think carefully about the best approach.
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Geoffrey

2 years ago
Containerization is crucial. Know Docker basics and how to implement container build strategies in Azure Pipelines. Pass4Success's targeted questions were spot on!
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Dulce

2 years ago
Happy to share that I passed the Microsoft DevOps Solutions exam. The Pass4Success practice questions were invaluable. One question that puzzled me was about developing a Site Reliability Engineering (SRE) strategy. It asked how to implement error budgets and measure service reliability, which was quite complex.
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Cherelle

2 years ago
Azure Test Plans was a significant part. Understand how to create test plans, test suites, and manage test cases. Pass4Success practice exams really helped me grasp these concepts.
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Billye

2 years ago
Couldn't believe how well-prepared I felt for the MS DevOps exam. Kudos to Pass4Success!
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Amber

2 years ago
Just passed the Microsoft DevOps Solutions exam! The Pass4Success practice questions were very useful. There was a question on developing an instrumentation strategy, specifically about setting up Application Insights for a multi-region application. I found it quite challenging to determine the correct configuration.
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Tula

2 years ago
Security is huge in the exam. Be prepared for questions on Azure Key Vault integration and managing secrets in pipelines. Thanks, Pass4Success, for the comprehensive prep!
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Thea

2 years ago
I successfully passed the Microsoft DevOps Solutions exam, and the Pass4Success practice questions played a big role. One question that caught me off guard was about developing a security and compliance plan. It asked how to implement Azure Policy to enforce security standards, and I wasn't entirely sure of the best practices.
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Brittani

2 years ago
Pass4Success nailed it with their exam prep. Passed my Microsoft DevOps cert with flying colors.
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Roy

2 years ago
Azure Artifacts came up more than I expected. Know how to create and manage package feeds. Pass4Success had great coverage on this – definitely helped me pass!
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Ettie

2 years ago
Thrilled to have passed the Microsoft DevOps Solutions exam! The Pass4Success practice questions were a lifesaver. There was a question about managing source control, specifically on branching strategies in Git. It asked which strategy would be best for a team practicing continuous integration, and I had to think hard about it.
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Jannette

2 years ago
Don't underestimate source control questions! Git branching strategies and pull request policies were key topics. Pass4Success practice tests were a lifesaver for this part.
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Lindsay

2 years ago
I passed the Microsoft DevOps Solutions exam, thanks to the practice questions from Pass4Success. One challenging question was about defining a continuous delivery and release management strategy. It focused on setting up deployment gates in Azure Pipelines, and I wasn't entirely confident in my answer.
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Bev

2 years ago
Wow, aced the MS DevOps cert in record time. Pass4Success materials were a lifesaver!
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Gwenn

2 years ago
Exam tip: Study Azure Boards in-depth. Expect questions on creating and managing work items, sprint planning, and customizing process templates. Pass4Success really helped me nail this section!
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Glendora

2 years ago
Just cleared the Microsoft DevOps Solutions exam! The Pass4Success practice questions were a great resource. There was a tricky question on how to facilitate communication and collaboration between development and operations teams using Azure Boards. It asked about configuring work item templates and notifications, which I found a bit confusing.
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Vernell

2 years ago
I recently passed the Microsoft Designing and Implementing Microsoft DevOps Solutions exam, and I must say, the Pass4Success practice questions were incredibly helpful. One question that stumped me was about setting up a continuous integration pipeline using Azure DevOps. It asked how to configure build triggers for a multi-branch repository. I wasn't entirely sure about the best approach, but I managed to get through it.
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Alison

2 years ago
Just passed the Microsoft DevOps exam! Thanks to Pass4Success for their spot-on practice questions. Be ready for Azure Pipelines questions – know how to set up CI/CD workflows and manage build agents.
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Marguerita

2 years ago
Just passed the Microsoft DevOps Solutions exam! Thanks Pass4Success for the spot-on practice questions.
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Lacresha

2 years ago
Aced the Microsoft DevOps exam! A crucial topic was source control management with Azure Repos. Questions covered branching strategies and pull request policies. Make sure you're familiar with Git workflows and branch protection rules. Grateful for Pass4Success's comprehensive question bank that helped me pass on my first attempt!
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Salley

2 years ago
Successfully completed the DevOps certification! The exam heavily emphasized Azure Boards and work item tracking. Be prepared for scenarios on customizing work item types and implementing Kanban boards. Understand Agile methodologies and how they're applied in Azure DevOps. Pass4Success's exam questions were invaluable for my last-minute prep!
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Janae

2 years ago
My exam experience for the Microsoft DevOps Solutions exam was successful thanks to using Pass4Success practice questions. The topics on designing and implementing processes and communications, as well as source control strategies, were crucial for the exam. One question that I remember was about designing and deploying a dashboard for project planning, and how to ensure the flow of work is visualized effectively. Despite some uncertainty, I managed to pass the exam.
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Youlanda

2 years ago
Just passed the Microsoft DevOps exam! Be ready for questions on Azure Pipelines, especially YAML syntax for defining build and release pipelines. Study pipeline templates and variable groups. Thanks to Pass4Success for the spot-on practice questions that helped me prepare quickly!
upvoted 0 times
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Amber

2 years ago
I recently passed the Microsoft DevOps Solutions exam with the help of Pass4Success practice questions. The exam covered topics such as designing and implementing processes and communications, as well as source control strategies. One question that stood out to me was related to designing a branch strategy, specifically the pros and cons of trunk-based development versus feature branches. Despite being unsure of the answer, I was able to pass the exam.
upvoted 0 times
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Tyisha

2 years ago
Just passed the Microsoft DevOps Solutions exam! A key focus was on Azure Pipelines. Expect questions on YAML pipeline syntax and how to configure multi-stage deployments. Study different pipeline types and their use cases. Thanks to Pass4Success for the spot-on practice questions that helped me prepare quickly!
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Free Microsoft AZ-400 Exam Actual Questions

Note: Premium Questions for AZ-400 were last updated On Jul. 27, 2026 (see below)

Question #1

You create an alert rule in Azure Monitor as shown in the following exhibit.

Which action will trigger an alert?

Reveal Solution Hide Solution
Correct Answer: A

Question #2

You plan to provision a self-hosted Linux agent

Which authentication mechanism should you use to register the self-hosted agent?

Reveal Solution Hide Solution
Correct Answer: B

Note: PAT Supported only on Azure Pipelines and TFS 2017 and newer. After you choose PAT, paste the PAT token you created into the command prompt window. Use a personal access token (PAT) if your Azure DevOps Server or TFS instance and the agent machine are not in a trusted domain. PAT authentication is handled by your Azure DevOps Server or TFS instance instead of the domain controller.


https://docs.microsoft.com/en-us/azure/devops/pipelines/agents/v2-linux

https://docs.microsoft.com/en-us/azure/devops/pipelines/agents/v2-linux?view=azure-devops

Question #3

Your company hosts a web application in Azure. The company uses Azure Pipelines for the build and release management of the application.

Stakeholders report that the past few releases have negatively affected system performance.

You configure alerts in Azure Monitor.

You need to ensure that new releases are only deployed to production if the releases meet defined performance baseline criteria in the staging environment first

What should you use to prevent the deployment of releases that fail to meet the performance baseline?

Reveal Solution Hide Solution
Correct Answer: C

https://docs.microsoft.com/en-us/azure/azure-monitor/continuous-monitoring

https://docs.microsoft.com/en-us/azure/devops/pipelines/release/approvals/gates?view=azure-devops


Question #4

You have an Azure Resource Manager template that deploys a multi-tier application.

You need to prevent the user who performs the deployment from viewing the account credentials and connection strings used by the application.

What should you use?

Reveal Solution Hide Solution
Correct Answer: D

When you need to pass a secure value (like a password) as a parameter during deployment, you can retrieve the value from an Azure Key Vault. You retrieve the value by referencing the key vault and secret in your parameter file. The value is never exposed because you only reference its key vault ID. The key vault can exist in a different subscription than the resource group you are deploying to.


Question #5

You have an Azure DevOps release pipeline named Pipeline1. You plan to use Pipelinel to deploy infrastructure as code (laC) resources to Azure. You need to create templates to define which resources to deploy. Which template formats should you use?

Reveal Solution Hide Solution
Correct Answer: D

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