Cloud Tech

AZURE · AWS · COMPTIA

Practice questions that teach you why, not just what.

Free, original, scenario-based questions for cloud certification exams. Every set has 10 questions, and every answer explains why it is right and why the others are wrong.

AZ-900 · Question 1Cloud concepts

An app must keep running on a Windows Server VM, and the company wants full control over OS patch timing. Which cloud service model fits?

  • ASoftware as a Service (SaaS)
  • BPlatform as a Service (PaaS)
  • CInfrastructure as a Service (IaaS)
  • DFunction as a Service (FaaS)
Reveal answer
C) IaaS. You manage the guest OS and its patching; Azure runs the hardware. PaaS and SaaS take OS control away, and FaaS is event-driven code. Try the full set →
740practice questions
9current exams covered
10questions per set
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Start with Questions 1–10

Each set links to the next, so you can work through a whole exam in order.

HOW IT WORKS

Study the way the exam thinks

01

Read the scenario

Questions are written like the real exam: a business need, a constraint, and one detail that decides the answer.

02

Commit to an answer

The answer stays hidden until you tap Reveal Answer, so you test yourself before you check.

03

Learn the why

Each explanation covers why the right option fits, why the others don’t, and links to the official documentation.

ARCHIVE · RETIRED EXAMAI-102Azure AI Engineer · retired June 30, 2026

40 questions in 4 sets, kept online for review because many topics carry over to AI-103.

Review the archive →

Original questions. No exam dumps.

Every question on Cloud Tech is written for practice against the current official exam outline. They are not copies of real exam items. Check the official exam page from Microsoft, AWS or CompTIA before you book, because providers update outlines and retire exams.