AZ-900 study guide

Microsoft Azure Fundamentals without the fog.

AZ-900 is not about becoming an Azure engineer overnight. It is about understanding cloud vocabulary, Azure building blocks, governance, pricing, and the way Microsoft expects learners to reason about cloud scenarios.

Who AZ-900 is for

AZ-900 is designed for new cloud learners, business stakeholders, IT support professionals, sales and consulting teams, managers, and anyone who needs a practical foundation in Microsoft Azure.

You do not need to be a developer or systems architect to start. You do need to understand the core ideas well enough to recognize them in realistic scenarios.

What the exam is really testing

The exam checks whether you understand cloud concepts, Azure services, identity, governance, pricing, support, and basic architecture decisions. Many questions are less about memorizing a definition and more about choosing the right concept for a situation.

Study strategy

How to study for AZ-900

  1. Start with cloud concepts. Make sure shared responsibility, cloud models, scalability, elasticity, and consumption pricing make sense before memorizing services.
  2. Group services by job. Instead of memorizing a giant Azure product list, learn what each category does: compute, storage, networking, identity, monitoring, governance, and cost management.
  3. Use scenario clues. Exam questions often describe a business need. Train yourself to notice words like cost, compliance, scale, outage, identity, monitoring, or global reach.
  4. Review wrong answers. The fastest improvement usually comes from understanding why a tempting distractor is wrong.
  5. Keep it practical. If you can explain the concept to a non-technical coworker, you probably understand it better than if you only memorized a phrase.

Exam map

Core AZ-900 topic areas

Cloud concepts

Cloud models, shared responsibility, consumption-based pricing, scalability, availability, and reliability.

Azure architecture and services

Regions, availability zones, subscriptions, resource groups, compute, networking, storage, and databases.

Management and governance

Microsoft Entra ID, role-based access control, cost management, compliance, monitoring, and support options.

Common beginner traps

  • Memorizing service names without understanding when a scenario would use them.
  • Confusing scalability, elasticity, high availability, and fault tolerance.
  • Forgetting that cloud security is shared between Microsoft and the customer.
  • Treating pricing as fixed instead of usage-based and configuration-dependent.
  • Skipping governance topics because they feel less exciting than compute or AI.

What to know before practice tests

Practice questions are useful, but they work best after you understand the concepts. If you jump straight to question banks, you may memorize answer patterns without knowing why they are correct.

For AZ-900, focus on explaining the difference between similar terms: IaaS vs. PaaS, scalability vs. elasticity, region vs. availability zone, authentication vs. authorization, and CapEx vs. OpEx.

Practice-style examples

Check your understanding

Question 1

A company wants to avoid buying servers upfront and only pay for compute resources when they are used. Which cloud benefit is most directly described?

Answer: Consumption-based pricing.

Why: The key clue is paying based on usage instead of making large upfront capital purchases.

Question 2

A team stores sensitive data in Azure Storage. Microsoft secures the physical datacenter, but who is responsible for configuring access permissions to the storage account?

Answer: The customer.

Why: In the shared responsibility model, Microsoft secures the cloud infrastructure, while customers configure their identities, access, and data protections.

Question 3

An application needs to keep running if one Azure datacenter in a region has an outage. Which Azure architecture concept is most relevant?

Answer: Availability zones.

Why: Availability zones are physically separate locations within an Azure region, designed to improve resiliency.

Independent training note

About this guide

WebLizard Labs is independent training content. Microsoft, Azure, and related certification names belong to Microsoft. This guide is meant to help learners understand concepts clearly; always check Microsoft Learn for the official exam skills outline and current exam details.