AZ-400-Designing and Implementing Microsoft DevOps Solutions

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

AreaDetail
CodeAZ-400
FormatMultiple choice, drag-and-drop, case studies, and labs
Duration120–150 minutes
Passing Score700 / 1000
Cost$165 USD (may vary by country)
Certification EarnedMicrosoft Certified: DevOps Engineer Expert
Official SiteAZ-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

WeekFocus 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!)

🔹 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

Naval Thakur

Speaker, Mentor, Content creator & Chief Evangelist at nThakur.com. I love to share about DevOps, SecOps, FinOps, Agile and Cloud.