Microsoft Certified: DevOps Engineer Expert (AZ-400) Practice Test

177 questions available

The Microsoft Certified: DevOps Engineer Expert (AZ-400) certification validates the advanced technical skills required to design and implement DevOps practices for an organization. This expert-level credential demonstrates a professional's ability to combine people, processes, and technologies to continuously deliver valuable products and services that meet end-user needs and business objectives. Holders of this certification are proficient in designing and implementing strategies for collaboration, code, infrastructure, source control, security, compliance, and continuous integration, delivery, monitoring, and feedback. Achieving this certification signifies a deep understanding of how to unify development and operations teams, automate processes, and improve efficiency, reliability, and security across the entire application lifecycle. It is a critical credential for professionals aiming to lead digital transformation initiatives and optimize software delivery pipelines in complex, cloud-native environments.

Certification exam

40 Exam questions

1 hour 40 minutes Time Limit

Expert Level

Practice bank

177 Practice Questions

2 hours 57 minutes Practice Time

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The bar to clear 700/1000 Official passing score. Aim higher in practice before you book.

Official objectives from Microsoft

Microsoft177 practice questionsBlueprint 1.0Bank updated 2026-05-04

Sample Questions

Try a few questions to see what the full exam is like.

Design and implement a source control strategy

A legacy TFVC project is moving to Git. The team needs distributed feature work and pull request policies but must preserve useful history. Which recommendation best meets the requirement with the least operational risk?

Design and Implement Source Control

You are designing a Git branching strategy for a team developing a SaaS application with monthly feature releases and hotfix deployments. The team needs to maintain a stable main branch while allowing parallel development of multiple features. Which Git branching strategy should you recommend to minimize merge conflicts while ensuring code quality?

Design and implement processes and communications

A new API program needs living documentation for architecture decisions and pipeline ownership. The team wants diagrams stored with the project and rendered in the portal. Which recommendation best meets the requirement with the least operational risk?

Develop a security and compliance plan

A secret-scanning alert indicates a token was pushed, then immediately deleted in a later commit. Which recommendation best meets the requirement with the least operational risk?

Design and Implement Source Control

Your organization uses Git in Azure Repos with a main branch for production-ready code. You need to enforce that all changes to the main branch are made via pull requests that pass a successful build and require at least one reviewer. Which two Git policies must you configure on the main branch?

Why This Certification Opens Doors

In today's competitive technology landscape, the ability to streamline software delivery and ensure operational excellence is paramount. The AZ-400 certification provides industry-recognized validation of your expertise in bridging the gap between development and operations, a skill set in high demand. It signals to employers and peers that you possess the strategic and technical acumen to implement robust DevOps cultures and toolchains, directly impacting business agility and resilience. This credential is a powerful differentiator for career advancement, often associated with senior and lead roles such as DevOps Engineer, Site Reliability Engineer, and Platform Engineer, and is a cornerstone for professionals working with Microsoft Azure's extensive DevOps ecosystem.

Your Path Forward

PreviousMicrosoft Azure Administrator (AZ-104)

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Azure DevOps Professional

Exam Blueprint

Each domain is weighted to match the real certification exam, so a full practice simulation predicts your result.

01Design and implement build and release pipelinesDesign and implement a package management strategy, Design and implement a testing strategy for pipelines, Design and implement pipelines, Design and implement deployments, Design and implement infrastructure as code (IaC), Maintain pipelines

50%

02Design and implement a source control strategyDesign and implement branching strategies for the source code, Configure and manage repositories

10%

03Design and implement processes and communicationsDesign and implement traceability and flow of work, Design and implement appropriate metrics and queries for DevOps, Configure collaboration and communication

10%

04Develop a security and compliance planDesign and implement authentication and authorization methods, Design and implement a strategy for managing sensitive information in automation, Automate security and compliance scanning

10%

05Implement an instrumentation strategyConfigure monitoring for a DevOps environment, Analyze metrics from instrumentation

Exam Details AZ-400 | $165 USD | 1 hour 40 minutes

Exam Code AZ-400

Vendor Microsoft

Exam Cost $165 USD

Passing Score 700/1000

Time Limit 1 hour 40 minutes

Exam questions 40

Question TypesMultiple Choice, Multiple Response, Drag and Drop, Case Study, Build List, Hot Area, Repeated Answer Choices

Retake Policy No waiting period for first retake if score >= 500 on failed attempt. If score < 500: 14-day waiting period before retake. Maximum 5 attempts per exam per year (365 days). Free retake voucher sometimes included in official instructor-led training.

Exam Format Linear

Online Proctoring Available

Available In

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Study Resources

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Microsoft Official Practice Assessment

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Frequently Asked Questions

What are the prerequisites for the AZ-400 exam?

Microsoft recommends that candidates have prior certification as either a Microsoft Certified: Azure Administrator Associate (AZ-104) or a Microsoft Certified: Azure Developer Associate (AZ-204). More importantly, candidates should possess hands-on experience working with Azure, designing DevOps strategies, and implementing DevOps practices across the development lifecycle. This experience is crucial for tackling the expert-level, scenario-based questions on the exam.

How does the AZ-400 certification differ from other DevOps certifications?

The AZ-400 is deeply integrated with the Microsoft Azure ecosystem and Microsoft's suite of DevOps tools (Azure DevOps, GitHub Actions). While it covers universal DevOps principles, its focus is on implementing those principles using Microsoft technologies. It is an expert-level certification, requiring a broader and deeper synthesis of skills across development, operations, security, and compliance compared to many foundational or tool-specific DevOps credentials.

What job roles is this certification most relevant for?

This certification is directly targeted at DevOps Engineers, Site Reliability Engineers (SREs), Platform Engineers, and senior/lead developers or systems administrators who are responsible for designing and implementing DevOps practices. It is also highly valuable for technical leads, architects, and engineering managers overseeing digital transformation and continuous delivery initiatives.

What is the primary focus of the 'Develop a Security and Compliance Plan' domain?

This domain focuses on integrating security and compliance into the DevOps pipeline, a practice known as DevSecOps. Key topics include implementing security for source code (e.g., secret management, code scanning), managing compliance policies using tools like Azure Policy, designing and implementing a secure and compliant infrastructure (Infrastructure as Code security), and planning for security and compliance in the release pipeline with gates and approvals.

How should I prepare for the 'Implement an Instrumentation Strategy' section?

Effective preparation involves gaining practical experience with Azure Monitor, Application Insights, and Log Analytics. Focus on understanding how to instrument applications for telemetry, configure logging and monitoring for infrastructure and applications, implement alerting and dashboards, and use data to analyze system health, performance, and usage patterns to drive operational decisions and feedback into development.

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