Microsoft · 2026 Edition
AZ-400 Study Guide — How to Pass Azure DevOps Engineer Expert
A complete preparation guide written by Microsoft-certified engineers. Covers the exam format, all 5 blueprint domains, a week-by-week study plan, and proven tips for passing first time.
2–4 months
Prep time
Intermediate
Difficulty
60
Exam questions
700/1000
Pass mark
AZ-400 Exam at a Glance
Exam code
AZ-400
Full name
Azure DevOps Engineer Expert
Vendor
Microsoft
Duration
120 minutes
Questions
~60 items
Passing score
700 / 1000 (scaled)
Domains covered
5 blueprint domains
Recommended experience
Foundational IT knowledge recommended
Typical prep time
2–4 months
Why Earn the AZ-400?
This certification validates specialised skills recognised by employers globally and opens doors to higher-level roles.
Job roles this opens
AZ-400 Exam Domains
Official Microsoft blueprint weights — study time should roughly match these percentages.
AZ-400 Study Plan
Phase 1
Core concepts and foundational domains
Tip: Build a strong foundation before tackling advanced topics.
Phase 2
Intermediate domains and scenario practice
Tip: Focus on scenario-based questions — they dominate modern certification exams.
Phase 3
Weak domains and full mock exams
Tip: Use JT Exams domain analytics to target your lowest-accuracy areas.
AZ-400 Exam Tips
Study the official exam blueprint — weight percentages tell you exactly where to invest prep time.
Practise scenario-based questions regularly — every modern cert exam is scenario-heavy.
Use spaced repetition to retain what you've learned (JT Exams does this automatically).
Book your exam date once you're scoring 80%+ consistently on practice tests.
Review explanations for every wrong answer, not just the question — the 'why' is what makes it stick.
Ready to practice AZ-400?
Apply everything in this guide with adaptive practice questions, AI explanations, and domain analytics.
AZ-400 concept guides
Deep-dive explanations of the key topics tested on AZ-400 — with exam key points and common misconceptions.