Cloud certificationsAzureAzure DevOps Engineer Expert
Azure · AZ-400
Updated August 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 length
10 weeks · ~10h/week

Approximate milestones

10 weeks
CoverageMonths 1–2
  1. Design and implement processes and communications~wk 1
  2. Design and implement a source control strategy~wk 2
  3. Design and implement build and release pipelines~wk 4
  4. Develop a security and compliance plan~wk 5
  5. Implement an instrumentation strategy~wk 6
ReviewMonth 2
Mock examsMonth 2
Examend of Month 2

Your full plan · 10 weeks to exam day

10 weeks · ~10h/week
CoverageReviewMocks· chips show the task mix for that week; buffer days are the planned rest
August 2026
  1. Wk 1Aug 24 – Aug 30Design and implement processes and communicationsCoverageReadQuizFlashcards10-15%5 study · 2 buffer
  2. Wk 2Aug 31 – Sep 6Design and implement a source control strategyCoverageReadQuizFlashcards15-20%5 study · 2 buffer
September 2026
  1. Wk 3Sep 7 – Sep 13Design and implement build and release pipelinesCoverageReadQuizFlashcards40-45%5 study · 2 buffer
  2. Wk 4Sep 14 – Sep 20Design and implement build and release pipelinesCoverageReadQuizFlashcards40-45%5 study · 2 buffer
  3. Wk 5Sep 21 – Sep 27Develop a security and compliance planCoverageReadQuizFlashcards10-15%5 study · 2 buffer
  4. Wk 6Sep 28 – Oct 4Implement an instrumentation strategyCoverageReadQuizFlashcards10-15%5 study · 2 buffer
October 2026
  1. Wk 7Oct 5 – Oct 11ReviewReviewQuizFlashcards5 study · 2 buffer
  2. Wk 8Oct 12 – Oct 18ReviewReviewQuizFlashcards5 study · 2 buffer
  3. Wk 9Oct 19 – Oct 25MocksMocksQuizFlashcards5 study · 2 buffer
  4. Wk 10Oct 26 – Nov 1MocksMocksQuizFlashcards5 study · 2 buffer
Exam daySun, Nov 1, 2026End of week 10

AZ-400 activity tracker

A visual preview of how exclam.ai turns your AZ-400 plan into daily domain coverage, flashcard, quiz, review, and mock streaks. Switch the plan length to match your exam timeline.

EP / day
4
daily target
Projected streak
4days
if you never miss
Study days
49
Modules
5
Per week
~10h
~100h total
To exam
10weeks

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Every module dated to your exam, with quizzes and FSRS flashcards generated from your own materials.

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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 schedule, module-by-module

How the 5-domain AZ-400 plan distributes across the plan length you pick above. Heavier-weight domains get more time; lighter ones may pair into a single week.

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.

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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