- A
On-demand self-service
Why wrong: On-demand self-service allows users to provision resources automatically without human interaction, but it is not specifically about billing. Measured service is the characteristic that enables pay-per-use.
- B
Broad network access
Why wrong: Broad network access means resources are accessible over the network via standard protocols. It does not relate to the billing model. The pay-per-use model is measured service.
- C
Measured service
Measured service is the cloud characteristic that provides metering and billing based on usage. This allows customers to pay only for what they consume, with no upfront costs.
- D
Resource pooling
Why wrong: Resource pooling enables the provider to serve multiple customers using shared resources, which helps reduce costs but does not directly result in a pay-per-use billing model. Measured service is the correct characteristic.
MS-900 Describe cloud concepts Practice Question
This MS-900 practice question tests your understanding of describe cloud concepts. 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.
A company's CFO is pleased that they only pay for the compute and storage resources consumed each month, with no upfront hardware costs. This billing model is a direct result of which cloud computing characteristic?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Measured service
The CFO's observation that the company only pays for consumed compute and storage resources with no upfront hardware costs directly reflects the 'measured service' characteristic of cloud computing. Measured service means cloud providers meter resource usage (e.g., CPU hours, GB-months of storage) and bill based on actual consumption, typically using a pay-as-you-go model. This eliminates the need for capital expenditure on hardware, as costs are operational and tied to usage metrics.
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.
- ✗
On-demand self-service
Why it's wrong here
On-demand self-service allows users to provision resources automatically without human interaction, but it is not specifically about billing. Measured service is the characteristic that enables pay-per-use.
- ✗
Broad network access
Why it's wrong here
Broad network access means resources are accessible over the network via standard protocols. It does not relate to the billing model. The pay-per-use model is measured service.
- ✓
Measured service
Why this is correct
Measured service is the cloud characteristic that provides metering and billing based on usage. This allows customers to pay only for what they consume, with no upfront costs.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Resource pooling
Why it's wrong here
Resource pooling enables the provider to serve multiple customers using shared resources, which helps reduce costs but does not directly result in a pay-per-use billing model. Measured service is the correct characteristic.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'measured service' with 'resource pooling' because both involve multi-tenancy and efficiency, but measured service is specifically about usage metering and billing, not the underlying resource sharing architecture.
Detailed technical explanation
How to think about this question
Under the hood, measured service relies on metering telemetry collected at the hypervisor or API level, tracking metrics like vCPU hours, memory allocation, and I/O operations. For example, Azure uses the Azure Monitor and billing APIs to aggregate usage data into hourly or monthly consumption records, which are then processed by the commerce system to generate invoices. A real-world scenario is a company running bursty workloads: measured service allows them to spin up VMs for a few hours and only pay for that exact duration, avoiding idle capacity costs.
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.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this MS-900 question test?
Describe cloud concepts — This question tests Describe cloud concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Measured service — The CFO's observation that the company only pays for consumed compute and storage resources with no upfront hardware costs directly reflects the 'measured service' characteristic of cloud computing. Measured service means cloud providers meter resource usage (e.g., CPU hours, GB-months of storage) and bill based on actual consumption, typically using a pay-as-you-go model. This eliminates the need for capital expenditure on hardware, as costs are operational and tied to usage metrics.
What should I do if I get this MS-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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Last reviewed: Jun 11, 2026
This MS-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MS-900 exam.
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