Free AZ-900 Cloud Concepts Practice Test 2026 — Microsoft Azure Fundamentals Questions

This free AZ-900 Cloud Concepts practice test covers high-availability, scalability, elasticity, agility, fault tolerance, disaster recovery, IaaS / PaaS / SaaS service models, and public / private / hybrid cloud deployment models. Each question includes a detailed explanation with Azure service context — perfect for AZ-900 exam prep.

Key Topics in AZ-900 Cloud Concepts

6 Free AZ-900 Cloud Concepts Practice Questions with Answers

Sample Question 1 — 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 2 — 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 3 — 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 4 — Cloud Concepts

What is an example of a consumption-based pricing model in cloud computing?

  1. A. Paying a fixed monthly fee regardless of usage
  2. B. Paying only for the compute resources you use (Correct answer)
  3. C. Paying for software licenses upfront
  4. D. Paying for hardware maintenance annually

Correct answer: B

Explanation: In a consumption-based pricing model, users pay only for the resources they consume, such as compute power, storage, or bandwidth. This model aligns costs with usage and is a key advantage of cloud computing. Option A describes a subscription model, C involves traditional software licensing, and D relates to hardware maintenance costs.

Sample Question 5 — Cloud Concepts

Which of the following is a characteristic of cloud computing that enhances disaster recovery?

  1. A. Geographic redundancy (Correct answer)
  2. B. Single point of failure
  3. C. Limited scalability
  4. D. High capital expenditure

Correct answer: A

Explanation: Geographic redundancy allows cloud services to replicate data across multiple locations, enhancing disaster recovery by ensuring data availability even if one location is compromised. A single point of failure, limited scalability, and high capital expenditure are not characteristics that enhance disaster recovery; rather, they are potential drawbacks of traditional IT setups.

Sample Question 6 — Cloud Concepts

What does elasticity in cloud computing refer to?

  1. A. The ability to decrease performance under load
  2. B. The ability to automatically scale resources up or down as needed (Correct answer)
  3. C. The ability to maintain static resource allocation
  4. D. The ability to increase hardware maintenance requirements

Correct answer: B

Explanation: Elasticity in cloud computing refers to the ability to automatically scale resources up or down based on demand, ensuring that applications have the necessary resources during peak times and saving costs during low usage. Option A is incorrect because elasticity aims to maintain performance under load. Option C describes a static setup, and D is unrelated to elasticity.

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