AZ-900Free Study Guide

Microsoft Azure Fundamentals AZ-900The Complete Beginner's Guide

Name: Microsoft Azure Fundamentals AZ-900 Study Guide
Author: Johnson Ajibi

Complete AZ-900 Azure Fundamentals study guide — 138 chapters covering cloud concepts, Azure services, and governance for beginners.

138 chapters

~23 hours total read

Free — no signup required

By Johnson Ajibi · Senior Network & Security Engineer · MSc IT Security · IEEE Senior Member

How to use this guide

This guide works best as a loop: read a chapter, test yourself with practice questions, look up unfamiliar terms in the glossary, then move to the next chapter.

① Read a chapter② Answer practice questions③ Review missed answers④ Repeat

Study Chapters

138 chapters covering every exam objective. Each chapter includes key concepts, exam tips, common traps, comparison tables, and a 5-question quiz at the end.

Start Chapter 1

Practice Questions

Free timed and untimed practice with instant feedback and full explanations. Pick 10–120 questions per session. Filter by domain to drill your weak areas.

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Glossary

Every AZ-900term defined and searchable. Use it when a chapter mentions a concept you haven't seen before or want a quick refresher on.

Browse glossary

Exam Overview

Exam blueprint, domain weights, passing score, duration, cost, and registration links. Start here if you're new to this certification.

View exam guide

Describe Cloud Concepts (25–30%)

32 chapters

Domain overview

What is Cloud Computing?

Objective 1.1 · Cloud Concepts

10m

The Shared Responsibility Model

Objective 1.1

10m

IaaS, PaaS, and SaaS Explained

Objective 1.2 · Cloud Concepts

11m

Public, Private, and Hybrid Cloud

Objective 1.3 · Cloud Concepts

10m

Consumption-Based Pricing Model

Objective 1.4 · Cloud Concepts

Benefits of Cloud Computing

Objective 1.5 · Cloud Concepts

10m

High Availability and Scalability

Objective 1.5

10m

Reliability and Predictability

Objective 1.5

Security and Governance in the Cloud

Objective 1.5

10m

Manageability in the Cloud

Objective 1.5

CapEx vs OpEx in Cloud Computing

Objective 1.4

Elasticity and Agility in the Cloud

Objective 1.5

Economies of Scale in Cloud

Objective 1.5

Service Level Agreements (SLAs) in Azure

Objective 1.5

Serverless Computing Concepts

Objective 1.2

Microservices Architecture Concepts

Objective 1.2

DevOps and Cloud Concepts

Objective 1.5

Cloud Migration Strategies Overview

Objective 1.1

Lift-and-Shift vs Refactor Migration

Objective 1.1

Hybrid Cloud Benefits and Use Cases

Objective 1.3

Multi-Cloud Strategy

Objective 1.3

Total Cost of Ownership (TCO) in Cloud

Objective 1.4

Cloud Sustainability and Green IT

Objective 1.5

Cloud Vendor Lock-In Risks

Objective 1.5

Cloud Compliance Concepts

Objective 1.5

Fault Tolerance vs High Availability

Objective 1.5

Edge Computing Concepts

Objective 1.5

Azure Certification Paths Overview

Objective 1.1

Shared Responsibility in Azure Cloud

Objective 1.1

Types of Cloud Services: Deep Dive

Objective 1.2

PaaS Advantages over IaaS

Objective 1.2

Azure Free Account and Trial Services

Objective 1.4

Describe Azure Architecture and Services (35–40%)

75 chapters

Domain overview

Azure Regions and Geographies

Objective 2.1 · Azure Architecture Services

Availability Zones and Region Pairs

Objective 2.1

12m

Azure Resource Manager (ARM)

Objective 2.1

13m

Azure Subscriptions and Management Groups

Objective 2.1

Azure Virtual Machines

Objective 2.2 · Azure Architecture Services

10m

Azure Container Instances and AKS

Objective 2.2

10m

Azure App Service

Objective 2.2

Azure Functions (Serverless)

Objective 2.2

Azure Virtual Networks (VNet)

Objective 2.3 · Azure Architecture Services

10m

Azure DNS and Load Balancer

Objective 2.3

Azure VPN Gateway and ExpressRoute

Objective 2.3

10m

Azure Blob Storage

Objective 2.4 · Azure Architecture Services

10m

Azure Storage Account Types

Objective 2.4

Azure SQL Database

Objective 2.4

Azure Cosmos DB

Objective 2.4

Microsoft Entra ID (Azure AD)

Objective 2.5 · Azure Architecture Services

Azure Authentication Methods

Objective 2.5

Conditional Access and MFA

Objective 2.5

Role-Based Access Control (RBAC)

Objective 2.5

10m

Microsoft Defender for Cloud

Objective 2.5

Azure Resource Groups

Objective 2.1

Azure Management Groups Hierarchy

Objective 2.1

Azure Tenants and Directories

Objective 2.1

Azure VM Scale Sets

Objective 2.2

Azure Spot Virtual Machines

Objective 2.2

Azure Reserved Instances

Objective 2.2

Azure Dedicated Hosts

Objective 2.2

Azure Kubernetes Service (AKS)

Objective 2.2

Azure Container Registry

Objective 2.2

Azure Logic Apps

Objective 2.2

Azure Event Grid

Objective 2.2

Azure Service Bus Messaging

Objective 2.2

11m

Azure Event Hubs

Objective 2.2

Azure API Management

Objective 2.2

Azure Content Delivery Network (CDN)

Objective 2.3

How to use this guide

Describe Cloud Concepts (25–30%)

Describe Azure Architecture and Services (35–40%)

Describe Azure Management and Governance (30–35%)

Ready to test your knowledge?