AZ-400-Designing and Implementing Microsoft DevOps Solutions
Audience: DevOps engineers, Site Reliability Engineers (SREs), Infrastructure & Cloud Engineers, Automation Architects
Pre-req Recommendation: AZ-104 (Azure Administrator) or AZ-204 (Developer) certification-level knowledge
📌 Exam Snapshot
Area | Detail |
---|---|
Code | AZ-400 |
Format | Multiple choice, drag-and-drop, case studies, and labs |
Duration | 120–150 minutes |
Passing Score | 700 / 1000 |
Cost | $165 USD (may vary by country) |
Certification Earned | Microsoft Certified: DevOps Engineer Expert |
Official Site | AZ-400 Microsoft Learn |
📚 Skills Measured (as of 2024–2025 outline)
🧩 1. Configure Processes and Communications (10–15%)
Design and implement Agile tools (Azure Boards, GitHub Projects)
Configure collaboration tools (Teams, Wikis)
Manage work items, backlogs, and boards
🔄 2. Design and Implement Source Control (15–20%)
Integrate source control with Azure Repos, GitHub
Implement Git branching strategies (GitFlow, trunk-based)
Design repository structure and permissions
🚀 3. Design and Implement Build and Release Pipelines (30–35%)
Build automation using YAML pipelines
Implement CI/CD (multi-stage pipelines, templates)
Manage secrets with Key Vault
Configure release gates, approval workflows, and environments
Integrate tests, quality gates, and deployment strategies
🔐 4. Develop a Security and Compliance Plan (10–15%)
Implement secure DevOps with policies and pipelines
Integrate static/dynamic code analysis
Manage access to secrets and credentials
📊 5. Implement Instrumentation and Site Reliability Engineering (SRE) Strategy (10–15%)
Monitor applications with Azure Monitor, Log Analytics, App Insights
Implement alerting and SLOs
Use chaos engineering for reliability
📦 6. Implement Dependency Management (5–10%)
Manage dependencies using Artifacts, NuGet, npm, Maven
Version control and retention strategies
Manage package security and licenses
🗺️ 6-Week Study Roadmap
Week | Focus Area & Tasks |
---|---|
1 | 🔧 Azure DevOps + GitHub fundamentals 🔄 Git branching, Repos, Pull Requests 📝 Practice YAML Pipelines |
2 | 🛠 Build pipelines: triggers, agents, templates 📤 Release pipelines: approvals, gates, variables 🔐 Manage secrets with Key Vault |
3 | 🧪 Testing strategy integration: unit, integration, smoke 🎯 Deployment strategies: blue-green, canary 🧾 Manual approvals and gates |
4 | 🛡 Secure DevOps: scanning, policies, permissions 📦 Artifacts and dependency management 📄 Use of GitHub Advanced Security (optional but relevant) |
5 | 📈 Instrumentation: Log Analytics, Alerts, Workbooks ⚙️ Azure Monitor + App Insights 🌀 Intro to SRE principles, Chaos Studio |
6 | 🧠 Review all modules on Microsoft Learn 📚 Practice questions 🧪 Take mock test and revise weak areas |
📘 Recommended Learning Resources
🔹 Microsoft Learn (FREE!)
DevOps with GitHub
Practice Labs for YAML pipelines and GitHub Actions
🔹 Books
Exam Ref AZ-400 Microsoft Azure DevOps Engineer Expert (latest edition)
The DevOps Handbook by Gene Kim (supplemental reading)
🔹 Hands-on Tools to Practice
Azure DevOps Services: Use free tier for repos, pipelines, artifacts
GitHub Actions: Free with most GitHub accounts
Terraform or Bicep: For infrastructure as code
Azure CLI / PowerShell: Required for scripting parts
📝 Sample Questions (Style)
Q1: Which deployment strategy ensures zero downtime and allows fast rollback by switching traffic between two environments?
✅ Answer: Blue-Green
Q2: What tool should you use to store secrets securely for use in CI/CD pipelines?
✅ Answer: Azure Key Vault
Q3: How do you enforce code quality standards in Azure Pipelines?
✅ Answer: Add build policies and quality gates using SonarQube, ESLint, etc.
🧩 Practice Exercises to Master
Create a multi-stage YAML pipeline with separate environments.
Implement a GitFlow branching strategy in Azure Repos.
Configure approval gates before production deployment.
Set up Application Insights + Alerts in a sample web app.
Manage dependencies using Azure Artifacts.
🎯 Tips for Exam Success
🛠 Do the labs: Microsoft Learn modules come with labs—don’t skip them.
🔄 YAML mastery is key: understand templating, expressions, variables.
🎯 Know the DevOps lifecycle end-to-end: From planning to monitoring.
📚 Review regularly: Use flashcards or spaced repetition tools.
🧪 Practice real deployments: Simulate a real CI/CD project with code quality gates, staged approvals, and monitoring.
🏆 After the Exam
Successfully passing AZ-400 earns you:
✅ Microsoft Certified: DevOps Engineer Expert
💼 Valuable recognition for roles like DevOps Engineer, SRE, Platform Engineer
📈 Demonstrated ability to lead DevOps transformation initiatives