This AZ-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 is moving from an on-premises data center to Azure. Instead of paying a large upfront cost for servers, they will pay a monthly subscription fee based on usage. This represents a shift from which type of expenditure to which?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Capital expenditure to Operational expenditure
This scenario describes a shift from Capital Expenditure (CapEx) to Operational Expenditure (OpEx). CapEx involves upfront, long-term investments in physical assets like servers, while OpEx is a pay-as-you-go model where costs are incurred based on actual usage. Azure's subscription model eliminates the need for large initial capital outlays, aligning costs with consumption.
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.
✓
Capital expenditure to Operational expenditure
Why this is correct
CAPEX involves upfront costs for assets like servers; OPEX is ongoing costs for services consumed. Cloud computing enables this shift.
Related concept
Read the scenario before looking for a memorised answer.
✗
Operational expenditure to Capital expenditure
Why it's wrong here
This is the reverse; moving to the cloud typically goes from CAPEX to OPEX.
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Direct cost to Indirect cost
Why it's wrong here
These are accounting terms not directly related to cloud pricing models.
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Fixed cost to Variable cost
Why it's wrong here
While cloud costs are variable, the core shift is from capital to operational expenditure.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the CapEx-to-OpEx shift with a fixed-to-variable cost change, but Azure's reserved instances and savings plans introduce fixed costs within OpEx, making the expenditure type the primary distinction.
Detailed technical explanation
How to think about this question
Under the hood, CapEx involves depreciating assets over their useful life (e.g., 3-5 years for servers), affecting balance sheets and tax deductions. OpEx in Azure uses consumption-based billing, tracked via meters for compute, storage, and network resources, with costs appearing on monthly invoices. In a real-world scenario, a company migrating to Azure can avoid server refresh cycles and instead scale resources dynamically, paying only for what they use, which improves cash flow and aligns IT costs with business activity.
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 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: Capital expenditure to Operational expenditure — This scenario describes a shift from Capital Expenditure (CapEx) to Operational Expenditure (OpEx). CapEx involves upfront, long-term investments in physical assets like servers, while OpEx is a pay-as-you-go model where costs are incurred based on actual usage. Azure's subscription model eliminates the need for large initial capital outlays, aligning costs with consumption.
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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