Cloud concepts
36 practice questions with explanations — 15 free to try
PassNova has 36 Microsoft Azure Fundamentals (AZ-900) practice questions on Cloud concepts, each with a clear explanation. A 15-question taster is free with no sign-up; the full bank is part of PassNova Premium. Updated for 2026.
Cloud concepts: example questions & answers
3 worked examples with answers and explanations below. Try 15 Microsoft Azure Fundamentals (AZ-900) questions free in the browser; the full 36-question Cloud concepts bank is part of PassNova Premium.
What is the primary characteristic of cloud computing's consumption-based (pay-as-you-go) model?
- AYou pay only when your application is profitable
- BYou must purchase resources in three-year blocks
- CYou pay only for the resources you actually use✓
- DYou pay a fixed annual fee regardless of usage
Answer: The consumption-based model means you pay only for the resources you use, with no upfront cost, helping convert capital expenditure into operational expenditure.
Which cloud benefit describes the ability to quickly add or remove resources to match changing demand?
- AGeo-distribution
- BScalability✓
- CLatency
- DDisaster recovery
Answer: Scalability is the ability to increase or decrease resources to meet demand. It can be vertical (scaling up) or horizontal (scaling out).
In the shared responsibility model, who is always responsible for protecting the physical datacenters?
- AThe cloud provider✓
- BIt varies by service tier
- CA third-party auditor
- DThe customer's own IT team
Answer: The cloud provider (Microsoft) is always responsible for the physical security of datacenters, hosts, and the physical network, regardless of the service model.