Microsoft Certified: DevOps Engineer Expert Questions and Answers
200 questions organized by topic with detailed explanations
Microsoft
AZ-400
200 questions
5 topics
Updated May 2026Design and implement processes and communications
27 questions9 easy11 medium7 hard~13% of exam
A team wants to use the standard lightweight GitHub workflow for everyday changes. Which sequence matches GitHub Flow?A documentation team wants to add Mermaid flow diagrams to an Azure DevOps wiki page. Which syntax choice is required fo...An organization wants to connect Azure DevOps notifications to Microsoft Teams, but users sign in to Azure DevOps and Te...
Design and implement a source control strategy
24 questions9 easy11 medium4 hard~13% of exam
A product team needs a branch dedicated to release stabilization while continuing new work on main. When a hotfix is mad...Which GitHub protected branch rule can directly prevent a merge until a deployment succeeds?A DevOps engineer wants a branching model that keeps integration friction low and encourages pull requests into a protec...
Design and implement build and release pipelines
106 questions22 easy55 medium29 hard~53% of exam
Which statement correctly describes Azure Resource Manager templates?For a new Azure DevOps pipeline that should be versioned with the application source, what pipeline format does Microsof...A team is deploying to Kubernetes through Azure Pipelines and wants a supported task that can implement a canary release...
Develop a security and compliance plan
27 questions8 easy14 medium5 hard~13% of exam
A team converts an Azure service connection to workload identity federation, but one pipeline task still fails to authen...A team is creating a new Azure Resource Manager service connection for Azure Pipelines. Which authentication method does...A project administrator wants to reduce exposure from an Azure service connection. What is the better practice for pipel...
Implement an instrumentation strategy
16 questions4 easy9 medium3 hard~8% of exam
A developer wants application performance monitoring with features such as application map, live metrics, failures, and ...An operations team needs guest operating system logs and metrics from Azure virtual machines, not just host-level metric...Which Azure service is Microsoft’s unified observability platform for metrics, logs, traces, and events across cloud and...
All Questions
| # | Question | Topic | Difficulty |
|---|---|---|---|
| 1 | A team converts an Azure service connection to workload identity federation, but one pipeline task s... | Develop a security and compliance plan | hard |
| 2 | A team is creating a new Azure Resource Manager service connection for Azure Pipelines. Which authen... | Develop a security and compliance plan | medium |
| 3 | Which statement correctly describes Azure Resource Manager templates? | Design and implement build and release pipelines | easy |
| 4 | A team wants to use the standard lightweight GitHub workflow for everyday changes. Which sequence ma... | Design and implement processes and communications | easy |
| 5 | For a new Azure DevOps pipeline that should be versioned with the application source, what pipeline ... | Design and implement build and release pipelines | easy |
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