Free AZ-900 Quick Practice Test 2026 — 10 Mixed-Domain Questions

Take a fast, free Microsoft AZ-900 Azure Fundamentals practice test with 10 mixed-domain questions covering all 4 official AZ-900 domains. Perfect for a quick readiness check before exam day — instant scoring with detailed explanations on every question.

What's Covered (All 4 AZ-900 Domains)

10 Free AZ-900 Quick Practice Questions with Answers

Sample Question 1 — Azure Core Services

Which Azure service is primarily used for hosting web applications and APIs?

  1. A. Azure Functions
  2. B. Azure App Service (Correct answer)
  3. C. Azure Virtual Machines
  4. D. Azure Blob Storage

Correct answer: B

Explanation: Azure App Service is a fully managed platform for building, deploying, and scaling web apps. It supports multiple programming languages and frameworks, making it ideal for hosting web applications and APIs. Azure Functions (A) is used for serverless computing, Virtual Machines (C) provide IaaS for various applications, and Blob Storage (D) is used for storing unstructured data.

Sample Question 2 — Azure Core Services

What is the primary purpose of Azure Virtual Network?

  1. A. To store large amounts of unstructured data
  2. B. To create virtual machines
  3. C. To isolate and secure network resources (Correct answer)
  4. D. To provide identity and access management

Correct answer: C

Explanation: Azure Virtual Network (VNet) is used to create isolated and secure network environments in Azure. It allows you to securely connect Azure resources to each other and to on-premises networks. Storing data (A), creating VMs (B), and identity management (D) are not the primary purposes of VNets.

Sample Question 3 — Azure Core Services

Which Azure service would you use to implement serverless computing?

  1. A. Azure Kubernetes Service
  2. B. Azure Functions (Correct answer)
  3. C. Azure SQL Database
  4. D. Azure App Service

Correct answer: B

Explanation: Azure Functions is a serverless compute service that allows you to run event-driven code without having to explicitly provision or manage infrastructure. Azure Kubernetes Service (A) is for container orchestration, Azure SQL Database (C) is a relational database service, and Azure App Service (D) is for hosting web apps.

Sample Question 4 — Azure Pricing and Support

Which Azure pricing model allows you to pay for cloud services based on actual usage?

  1. A. Reserved Instances
  2. B. Pay-As-You-Go (Correct answer)
  3. C. Enterprise Agreement
  4. D. Free Tier

Correct answer: B

Explanation: The Pay-As-You-Go pricing model allows customers to pay for Azure services based on actual usage without any upfront commitment. This is ideal for users who need flexibility and scalability. Reserved Instances require upfront payment, Enterprise Agreements are for large organizations with specific contracts, and the Free Tier provides limited free services.

Sample Question 5 — Azure Pricing and Support

What is the primary benefit of using Azure Cost Management and Billing?

  1. A. To increase the speed of data processing
  2. B. To monitor and optimize cloud spending (Correct answer)
  3. C. To enhance security features
  4. D. To automate deployment processes

Correct answer: B

Explanation: Azure Cost Management and Billing is designed to help users monitor, allocate, and optimize their cloud spending. It provides tools to analyze costs, set budgets, and forecast future expenses. It does not directly affect data processing speed, security features, or deployment automation.

Sample Question 6 — Azure Pricing and Support

Which Azure support plan is best suited for a small business that requires 24/7 access to technical support?

  1. A. Developer
  2. B. Basic
  3. C. Standard (Correct answer)
  4. D. Premier

Correct answer: C

Explanation: The Standard support plan offers 24/7 technical support and is suitable for small to mid-sized businesses with a moderate level of dependency on Azure. The Developer plan is more suited for non-critical environments, Basic provides limited support, and Premier is intended for large organizations with complex needs.

Sample Question 7 — Cloud Concepts

What is a key benefit of using cloud computing for businesses?

  1. A. Increased hardware maintenance costs
  2. B. Scalability and flexibility (Correct answer)
  3. C. Limited access to global markets
  4. D. Higher upfront capital expenditure

Correct answer: B

Explanation: Cloud computing offers scalability and flexibility, allowing businesses to adjust resources as needed without significant capital investment. This contrasts with traditional IT infrastructure, which often requires substantial upfront costs and ongoing maintenance. Options A, C, and D are incorrect because cloud computing typically reduces hardware costs, provides global access, and lowers initial capital expenses.

Sample Question 8 — Cloud Concepts

Which of the following describes a public cloud deployment model?

  1. A. Resources are owned and operated by a single organization
  2. B. Resources are shared by multiple organizations with common concerns
  3. C. Resources are available to the general public over the internet (Correct answer)
  4. D. Resources are used exclusively by a single organization on-premises

Correct answer: C

Explanation: A public cloud deployment model provides resources that are available to the general public over the internet, typically owned and operated by a third-party cloud service provider. Option A describes a private cloud, B describes a community cloud, and D refers to on-premises infrastructure.

Sample Question 9 — Cloud Concepts

Which cloud service model provides the highest level of control over the computing environment?

  1. A. Software as a Service (SaaS)
  2. B. Platform as a Service (PaaS)
  3. C. Infrastructure as a Service (IaaS) (Correct answer)
  4. D. Database as a Service (DBaaS)

Correct answer: C

Explanation: Infrastructure as a Service (IaaS) provides the highest level of control, allowing users to manage virtual machines, storage, and networks. SaaS offers the least control, as the provider manages the entire application. PaaS offers more control than SaaS but less than IaaS, as it allows users to manage applications and data but not the underlying infrastructure. DBaaS is a specialized form of PaaS focused on database management.

Sample Question 10 — Security, Privacy, Compliance, and Trust

Which Azure service is primarily used to manage and protect encryption keys and secrets used by cloud applications and services?

  1. A. Azure Active Directory
  2. B. Azure Key Vault (Correct answer)
  3. C. Azure Security Center
  4. D. Azure Information Protection

Correct answer: B

Explanation: Azure Key Vault is a cloud service for securely storing and accessing secrets, such as API keys, passwords, certificates, and encryption keys. It helps enhance data protection and compliance by centralizing application secrets. Azure Active Directory is for identity management, Azure Security Center is for security posture management, and Azure Information Protection is for data classification and labeling.

Start the free AZ-900 quick practice test now | All AZ-900 domains