Cheat Sheet

Microsoft Azure Fundamentals (AZ-900) Cheat Sheet

By The Exam Atlas Editorial Team · Verified 2026-05-29

A final-revision summary for AZ-900. Study aid only — no notes in the proctored exam.

Service models (who manages what)

ModelYou manageExample
IaaSOS, apps, dataAzure Virtual Machines
PaaSApps and data onlyAzure App Service
SaaSNothing (just use it)Microsoft 365

Deployment models

Public cloud · Private cloud · Hybrid cloud. Plus the shared responsibility model (more is yours in IaaS, less in SaaS).

Core services to recognise

CategoryService
ComputeVirtual Machines, App Service, Functions, AKS
StorageStorage accounts, Blob, Files
NetworkingVirtual Network, Load Balancer, VPN Gateway
DatabaseAzure SQL, Cosmos DB

Management and governance

ToolPurpose
Microsoft Entra IDIdentity
RBACAssign access at a scope
Azure PolicyEnforce rules/compliance
Resource locksPrevent accidental change/delete
Pricing / TCO calculatorEstimate and compare costs
TagsOrganise and track cost

FAQ

Can I use notes in the AZ-900 exam?
No. It is proctored. Use this for final revision before exam day only.

Sources