Cloud certificationsAzureAzure DevOps Engineer Expert
Azure · AZ-400
Updated April 2026

Azure DevOps Engineer Expert Study Plan (AZ-400)

Microsoft Certified: DevOps Engineer Expert (AZ-400) validates ability to combine people, processes, and technologies to deliver valuable products and services that meet user needs and business objectives. Focus on CI/CD, source control, security, compliance.

Typical prep
~100h
Timeline
~10w
Exam fee
$165 USD
Level
expert
Plan setup
ExamSun, Aug 2, 2026· Week 1010 weeks · ~10h/week

AZ-400 activity tracker

A visual preview of how exclam.ai turns a 10-week AZ-400 plan into daily domain coverage, flashcard, quiz, review, and mock streaks. Adjust the start date and review week to fit your exam timeline.

Preview · planner-style activity
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EP today
4d
projected
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study days
10h
100h total
10w
to exam
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lighter dayfull targetforecastModule startReviewMocksExam

Exam format

40-60 questions, 120 minutes. Multiple choice, case studies.

Prerequisites

AZ-104 (Administrator) or AZ-204 (Developer) is a prerequisite.

Exam fee

$165 USD

Azure DevOps Engineer Expert exam domains

The 5 domains tested on AZ-400, with approximate weights from the official exam guide. exclam.ai weights your study plan according to these percentages.

DomainApproximate weight
Design and implement processes and communications10-15%
Design and implement a source control strategy15-20%
Design and implement build and release pipelines40-45%
Develop a security and compliance plan10-15%
Implement an instrumentation strategy10-15%

Source: official AZ-400 exam guide published by Microsoft Azure.

Suggested 10-week schedule, module-by-module

How the 5-domain AZ-400 plan distributes across 10 weeks at the start date you picked above. Heavier-weight domains get more time; lighter ones may pair into a single week. Adjust the controls in the tracker to re-slot review and mocks.

Module 1 of 5
Week 1
Exam weight 10-15%

Design and implement processes and communications

Cover Design and implement processes and communications end-to-end. Build flashcards covering every learning objective and quiz yourself before moving to the next module.

Module 2 of 5
Week 2
Exam weight 15-20%

Design and implement a source control strategy

Cover Design and implement a source control strategy end-to-end. Build flashcards covering every learning objective and quiz yourself before moving to the next module.

Module 3 of 5
Weeks 3–4
Exam weight 40-45%

Design and implement build and release pipelines

Cover Design and implement build and release pipelines end-to-end. Build flashcards covering every learning objective and quiz yourself before moving to the next module.

Module 4 of 5
Week 5
Exam weight 10-15%

Develop a security and compliance plan

Cover Develop a security and compliance plan end-to-end. Build flashcards covering every learning objective and quiz yourself before moving to the next module.

Module 5 of 5
Week 6
Exam weight 10-15%

Implement an instrumentation strategy

Cover Implement an instrumentation strategy end-to-end. Build flashcards covering every learning objective and quiz yourself before moving to the next module.

Phase: Review
Weeks 7–8

Review

Weak-topic drilling. exclam.ai surfaces topics where you underperformed during coverage and re-quizzes them. Daily FSRS flashcard reps across all 5 topics to prevent decay. Start doing timed question batches focused on the heaviest-weight sections.

Phase: Mocks
Weeks 9–10

Mocks

Full-length AZ-400 practice exams under timed conditions. Target one mock every 3–5 days. Same-day error review: for every question you miss, re-derive the solution from scratch. Taper in the final 3 days — light flashcards only.

Free official exam guide

Upload the AZ-400 exam guide and exclam.ai builds your plan

Microsoft Azure publishes the AZ-400 exam guide as a free HTML page. Download it, upload it to exclam.ai, and get a fully guided study plan with adaptive flashcards and quizzes in minutes.

How exclam.ai helps with AZ-400

Flashcards per domain

Upload the AZ-400 exam guide and exclam.ai generates flashcards for each of the 5 domains, mapped to the approximate exam weights.

Practice quizzes with exam-weighted sampling

Quizzes pull more questions from heavier domains. exclam.ai tracks which domains you're weakest on and weights future practice accordingly.

~10-week adaptive schedule

Coverage phase, review phase, and mocks — distributed across your target timeline. Falls behind automatically rebalance without re-planning.

Popular AZ-400 study vendors

exclam.ai works alongside whichever video course or practice exam provider you prefer. We do not reproduce or redistribute any commercial prep content, upload your own notes taken while studying.

Scott Duffy (Udemy)
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A Cloud Guru
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Microsoft Learn
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AZ-400 questions

Should I take AZ-104 or AZ-204 before AZ-400?

Either works as the prerequisite. AZ-204 (Developer) aligns better with developers moving into DevOps roles. AZ-104 (Administrator) aligns better with ops-to-DevOps paths.

AZ-400 study plans by duration

Pick the timeline that matches your exam date. Each plan distributes ~100 hours across the 5 AZ-400 domains in syllabus order, with review and mock phases following coverage.

Start your AZ-400 plan today

Upload the free Azure AZ-400 exam guide and exclam.ai builds a fully guided study plan. Free to start.

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