Certification · Microsoft Azure Fundamentals (AZ-900) · Released October 2026

Microsoft Azure Fundamentals AZ-900 by Kai London

This exam guide takes you through the knowledge Microsoft Azure Fundamentals (AZ-900) expects, area by area, in clear language — with worked examples, exam tips and practice questions so you can check your progress as you go.

What the book covers

Cloud concepts

Cloud models, service types and their benefits.

Azure architecture

Regions, availability and core architectural components.

Azure services

Compute, networking, storage and identity services.

Management and governance

Cost management, governance and compliance tools.

Exam approach

What the fundamentals exam expects and how to prepare.

Practice and review

End-of-chapter questions with explanations, plus a final review checklist.

This is an independent study aid. It is not affiliated with, sponsored or endorsed by Microsoft; exam names are trademarks of their owners. Always check the current official exam outline.

AzureAZ-900Cloud fundamentalsCertification

Who it is for

AZ-900 candidates, including non-technical staff working with Azure.

About the author

Professor Kai London — CISSP, CISM.

An internationally recognised cybersecurity executive, board advisor and Founder & CEO of Quantum AI Systems Security LLC, writing at the convergence of AI, governance and operational resilience. Honorary Professor and Researcher at UCL.