Azure Fundamentals (AZ-900) Study Guide

210 High-Yield Concepts for the Microsoft Azure Fundamentals (AZ-900) Exam

A focused, high-yield concept review for Microsoft Exam AZ-900: Microsoft Azure Fundamentals — 210 concepts, each with key facts, a strategy tip, and an original worked example, organized across the three official skill areas at their published Microsoft Learn weights: Part 1 — Describe Cloud Concepts (55 concepts, 25–30%): cloud computing and the shared responsibility model, public/private/hybrid cloud, the consumption-based model, serverless, benefits of the cloud (high availability, scalability, elasticity, reliability, predictability, security, governance, manageability), IaaS/PaaS/SaaS use cases, and cloud pricing models. Part 2 — Describe Azure Architecture and Services (87 concepts, 35–40%): regions, region pairs and sovereign regions, availability zones, resource groups, subscriptions and management groups, virtual machines and VM options, containers, Azure Functions, App Service, virtual networking (VNet, subnets, peering, Azure DNS, VPN Gateway, ExpressRoute, public and private endpoints), storage services, tiers and redundancy, AzCopy and Storage Explorer, Azure Migrate and Data Box, Microsoft Entra ID, SSO/MFA/passwordless, Conditional Access, RBAC, Zero Trust, defense in depth, and Defender for Cloud. Part 3 — Describe Azure Management and Governance (68 concepts, 30–35%): cost factors, the pricing calculator, Cost Management, budgets and tags, Microsoft Purview, Azure Policy, resource locks, the Azure portal/Cloud Shell/CLI/PowerShell, Azure Arc, IaC with ARM templates and Bicep, Azure Advisor, Service Health, and Azure Monitor (Log Analytics, alerts, Application Insights). Includes verified format facts sourced from learn.microsoft.com on 2026-09-19 (passing score 700, 45-minute exam within a 65-minute seat time, 40–60 questions, proctored, skills measured as of July 20 2026) plus test-day strategy. No invented format facts: details Microsoft does not publish on these pages (exact USD fee, renewal period, retake wait) are omitted — confirm current exam details, fees, and policies at learn.microsoft.com. Independent study companion — not affiliated with, endorsed by, or sponsored by Microsoft; exam fee varies by country/region and renewal/retake policies should be confirmed at learn.microsoft.com.