📘 AZ-400 Study Notes
Microsoft Azure DevOps Engineer Expert
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🏠 These notes are maintained by Marco Grimaldi and based on the official Microsoft documentation. Find more certification guides, study tips, and tech content at 🌐 marcogrimaldi29.com. Not affiliated with or endorsed by Microsoft. Always verify against the latest Microsoft documentation.
📋 Table of Contents
| # | Domain | Weight |
|---|---|---|
| 01 | Design and Implement Processes and Communications | 10–15% |
| 02 | Design and Implement a Source Control Strategy | 10–15% |
| 03 | Design and Implement Build and Release Pipelines | 50–55% |
| 04 | Develop a Security and Compliance Plan | 10–15% |
| 05 | Implement an Instrumentation Strategy | 5–10% |
| 06 | Resources, Tips & Quick Reference | — |
🎯 Exam at a Glance
| Item | Details |
|---|---|
| 🪪 Exam Code | AZ-400 |
| 📄 Full Name | Designing and Implementing Microsoft DevOps Solutions |
| 🏅 Certification | DevOps Engineer Expert |
| 🛡️ Prerequisites | AZ-104 or AZ-204 (required before claiming certification) |
| 🥅 Passing Score | 700 / 1000 |
| ⏱️ Duration | ~120 minutes |
| ❔ Question Types | Multiple choice, case studies, drag-and-drop, build-list, hot area |
| 🈁 Languages | English, Japanese, Korean, Simplified Chinese, Traditional Chinese |
| 🔁 Renewal | Annual — free online assessment on Microsoft Learn |
🏗️ Audience Profile
As a DevOps Engineer, you are a developer or infrastructure administrator with expertise in working with people, processes, and products to enable continuous delivery of value. You work on cross-functional teams that include:
- 👩💻 Developers
- 🛡️ Site Reliability Engineers
- ☁️ Azure Administrators
- 🔐 Security Engineers
Core responsibilities:
- Delivering Microsoft DevOps solutions providing continuous security, integration, testing, delivery, deployment, monitoring, and feedback
- Designing and implementing flow of work, collaboration, communication, source control, and automation
- Experience implementing both GitHub and Azure DevOps solutions
📊 Skills at a Glance
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┌─────────────────────────────────────────────────────────────┐
│ AZ-400 Exam Domains │
├─────────────────────────────────┬───────────────────────────┤
│ Build and Release Pipelines │ ████████████████ 50–55% │
│ Processes and Communications │ ████ 10–15% │
│ Source Control Strategy │ ████ 10–15% │
│ Security and Compliance Plan │ ████ 10–15% │
│ Instrumentation Strategy │ ██ 5–10% │
└─────────────────────────────────┴───────────────────────────┘
⚠️ Note: Build and Release Pipelines makes up over half the exam — prioritise this domain!
📁 Repository Structure
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az-400-study-notes/
│
├── README.md / index.md ← You are here
│
├── 01-processes-and-communications.md ← Flow of work, metrics, collaboration
│
├── 02-source-control-strategy.md ← Branching, repo management, Git
│
├── 03-build-and-release-pipelines.md ← Overview & index (50–55% of exam)
├── 03a-package-management.md ← Artifacts, feeds, SemVer, CalVer
├── 03b-testing-strategy.md ← Gates, test types, code coverage
├── 03c-pipelines.md ← YAML, agents, triggers, runners
├── 03d-deployments.md ← Strategies, feature flags, DB tasks
├── 03e-infrastructure-as-code.md ← Bicep, ARM, DSC, Deployment Environments
├── 03f-maintain-pipelines.md ← Health, optimization, retention, migration
│
├── 04-security-and-compliance.md ← AuthN/Z, Key Vault, GHAS, scanning
│
├── 05-instrumentation-strategy.md ← Azure Monitor, App Insights, KQL
│
└── 06-resources.md ← Cheat sheet, study plan, exam tips
🔗 Official Microsoft Resources
| Resource | Link |
|---|---|
| Exam Page | AZ-400 Exam |
| Study Guide | Official Study Guide |
| Practice Assessment | Free Practice Questions |
| Azure DevOps Docs | azure/devops |
| DevOps Resource Center | devops |
| Azure Documentation | azure |
| Exam Sandbox | Try the exam UI |
| Microsoft Q&A | Ask questions |
📚 About the Study Notes
These notes are hosted on GitHub Pages and published as a searchable website on this URL:
The site includes full-text search, Mermaid diagram rendering, and mobile-friendly navigation for on-the-go review.
These notes are designed to be a structured, exam-focused summary of the most important concepts and services baseds on the official Microsoft AZ-400 Study Guide and its criteria.
Additional resources and study notes maintained by me, such as the 📘 AZ-305 Study Notes and more, are also available for those pursuing the Microsoft and Azure certifications at the following Landing Page:
👉 🧑🏫 Microsoft Study Notes: Central Hub
✍️ About the Author
Maintained by Marco Grimaldi — Cloud Consultant, Language Trainer & Lifelong Learner.
🏠 Find more certification guides, study tips, and tech content at 🌐 marcogrimaldi29.com
The site is continuously updated and based on my personal study notes and experiences. If you have any feedback, suggestions, or corrections, feel free to reach out!
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©️ Credits & Acknowledgements
The Just the Docs theme is used for a clean, documentation-style layout. Licensed under MIT.
Created with the help of AI. Model used: Claude Sonnet 4.6. The content has been reviewed and edited by the author for accuracy and clarity, but may contain errors. Always verify against the latest Microsoft documentation.
⚖️ Disclaimer
These are personal study notes intended to supplement — not replace — official Microsoft learning materials. Content is based on the official AZ-400 study guide and Microsoft documentation. Always verify against the latest official exam guide as exam content may be updated.
Not affiliated with or endorsed by Microsoft.