The answer is the delivery of computing services over the internet with flexible, pay-as-you-go pricing. This definition is correct because it captures the core technical shift from owning physical hardware to consuming on-demand resources like servers, storage, and analytics via the cloud, which eliminates upfront capital expenditure and allows dynamic scaling. On the Microsoft Azure Fundamentals AZ-900 exam, this foundational concept often appears in questions contrasting cloud models with traditional on-premises infrastructure, and a common trap is confusing the definition with a specific service model like IaaS or PaaS. To remember it, think of the key phrase "services over the internet" paired with "pay-as-you-go"—if either element is missing, the answer is likely incomplete. A useful memory tip is the acronym PIG: Pay-as-you-go, Internet, and General services (compute, storage, databases, etc.), which together form Microsoft’s official definition.
AZ-900 Describe Azure management and governance Practice Question
This AZ-900 practice question tests your understanding of describe azure management and governance. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
What is Microsoft's definition of 'cloud computing' as used in the context of Azure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Delivery of computing services over the internet with flexible, pay-as-you-go pricing
Microsoft defines cloud computing as the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the internet (the cloud) with flexible, pay-as-you-go pricing. This definition is foundational to Azure, enabling customers to scale resources up or down as needed and only pay for what they use, rather than investing in and maintaining physical infrastructure.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Storing all data on physical servers in the customer's own building
Why it's wrong here
On-premises storage is traditional IT; cloud computing delivers services over the internet.
✓
Delivery of computing services over the internet with flexible, pay-as-you-go pricing
Why this is correct
Cloud computing delivers computing services (servers, storage, apps) over the internet with flexible, consumption-based pricing.
Related concept
Read the scenario before looking for a memorised answer.
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Using only virtual machines in a third-party data center
Why it's wrong here
Cloud includes many services beyond VMs; it also includes managed databases, AI, and analytics.
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A type of software that runs in web browsers without installation
Why it's wrong here
Browser-based software is one type of cloud service (SaaS); cloud computing is broader.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse a specific cloud service model (like SaaS or IaaS) with the broader definition of cloud computing, leading them to pick Option D (browser-based software) or Option C (only VMs), when the official Microsoft definition emphasizes the delivery model and flexible pricing over the internet.
Detailed technical explanation
How to think about this question
Under the hood, Azure's cloud model relies on hypervisors (like Hyper-V) to abstract physical hardware into virtualized resources, orchestrated by Azure Resource Manager (ARM) for provisioning and billing. The pay-as-you-go model is enforced through meters that track consumption at the resource level (e.g., per vCPU-hour, per GB of storage), enabling granular cost allocation and auto-scaling policies. A real-world scenario: a startup can spin up 100 VMs for a load test, then delete them after an hour, paying only for that usage—impossible with on-premises hardware.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe Azure management and governance — This question tests Describe Azure management and governance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Delivery of computing services over the internet with flexible, pay-as-you-go pricing — Microsoft defines cloud computing as the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the internet (the cloud) with flexible, pay-as-you-go pricing. This definition is foundational to Azure, enabling customers to scale resources up or down as needed and only pay for what they use, rather than investing in and maintaining physical infrastructure.
What should I do if I get this AZ-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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