AZ-400 practice test
Microsoft DevOps Engineer Expert
100 practice questions, spread across the exam's topics the same way Microsoft weights them, each with a full explanation and a link to the official documentation that proves the answer. Written by a Microsoft Certified Trainer who does this work for a living.
No card needed to start, and none to keep going: buying is not open yet.
What is inside
Every area the exam tests
Our questions are spread the same way Microsoft weights the exam, so your practice matches the real thing.
Processes and communications
10 to 15%Flow of work and feedback cycles, traceability across boards and repositories, metrics and dashboards, documentation, and integration by webhooks.
13 questionsSource control
10 to 15%Branching strategies and protection rules, pull request workflow, large files and repository scaling, permissions and tags, and recovering or removing data.
12 questionsBuild and release pipelines
50 to 55%Package feeds and versioning, testing and quality gates, YAML pipelines and agents, deployment strategies and environments, infrastructure as code, and pipeline health and cost.
53 questionsSecurity and compliance
10 to 15%Service principals against managed identities, tokens and service connections, permissions in both platforms, Key Vault and secretless authentication, and scanning.
13 questionsInstrumentation
5 to 10%Azure Monitor and GitHub insights, alerts on pipeline events, infrastructure and application performance, distributed tracing, and basic Kusto queries.
9 questionsMicrosoft last updated this exam on 27 July 2026. Our questions match that version.
How you will use it
Practise the way that suits you
- Learn as you go. Answer, read why straight away, then move on. No clock, no pressure.
- Or sit it timed. A clock, no answers until the end, and two minutes a question, so you learn to pace yourself.
- Score by topic. See which area let you down instead of one number out of a hundred.
- Go back over it. Read every question again afterwards, right and wrong, with the full explanation.
Is it for you
Who takes AZ-400
Engineers who already run pipelines and want the credential
Over half of it is build and release, which is the part you cannot bluff.
People who know one platform and are asked about the other
It covers Azure DevOps and GitHub side by side, and expects you to choose between them.
Site reliability and platform engineers
Deployment strategies, resiliency, feature flags and instrumentation are most of the rest.
Also worth doing
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See the questions before you pay
10 AZ-400 questions with full explanations, so you can judge the quality yourself.
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