The answer is eliminating hardware purchase and maintenance costs, as this directly reduces total cost of ownership when moving to Azure. By shifting from on-premises servers to a public cloud model, you remove the need to buy, maintain, and eventually replace physical hardware, which cuts both capital expenditure (CapEx) and ongoing operational costs tied to hardware lifecycle management. On the Microsoft Azure Fundamentals AZ-900 exam, this concept tests your understanding of how cloud computing reduce total cost of ownership through the elimination of physical infrastructure burdens—a common trap is confusing this with broader operational savings like reduced energy bills, which are secondary effects. The exam often presents scenarios where a company owns its servers, and the most direct TCO benefit is always the removal of hardware purchase and upkeep. Memory tip: think "No hardware, no hassle" to recall that the biggest direct TCO win is ditching the physical gear.
AZ-900 Describe cloud concepts Practice Question
This AZ-900 practice question tests your understanding of describe cloud concepts. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 operates on-premises servers that they own. They are considering moving to Azure. Which cloud benefit would MOST directly reduce their total cost of ownership?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Eliminating hardware purchase and maintenance costs
Option B is correct because moving to Azure eliminates the need to purchase, maintain, and eventually replace physical servers, which directly reduces capital expenditure (CapEx) and operational costs related to hardware lifecycle management. This is the most direct way to lower total cost of ownership (TCO) when transitioning from on-premises infrastructure to a public cloud model.
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.
✗
Automatic compliance with all regulations
Why it's wrong here
Cloud doesn't automatically make you compliant — you still need to configure services correctly for compliance.
✓
Eliminating hardware purchase and maintenance costs
Why this is correct
Moving to cloud eliminates CapEx for servers, datacenter space, and hardware refresh cycles — the biggest on-premises cost drivers.
Related concept
Read the scenario before looking for a memorised answer.
✗
Guaranteed zero downtime for all services
Why it's wrong here
Cloud providers have SLAs but don't guarantee zero downtime — 99.9% still allows ~8.7 hours per year.
✗
Free support for all Azure services
Why it's wrong here
Azure support plans cost money — Basic is free but limited; other tiers are paid.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse 'eliminating hardware costs' with other indirect benefits like compliance or support, but the question specifically asks for the MOST direct reduction in TCO, which is the removal of physical hardware purchase and maintenance expenses.
Detailed technical explanation
How to think about this question
Under the hood, TCO reduction in Azure comes from shifting from CapEx (hardware purchase, power, cooling, real estate) to OpEx (pay-as-you-go consumption), which also includes economies of scale from Azure's global datacenters. For example, Azure Hybrid Benefit can further reduce costs by applying existing on-premises Windows Server and SQL Server licenses with Software Assurance to Azure VMs, lowering per-minute compute rates. A real-world scenario: a company running 100 on-premises servers with 40% average utilization can consolidate to fewer Azure VMs with auto-scaling, paying only for actual usage and eliminating hardware refresh cycles every 3-5 years.
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: Eliminating hardware purchase and maintenance costs — Option B is correct because moving to Azure eliminates the need to purchase, maintain, and eventually replace physical servers, which directly reduces capital expenditure (CapEx) and operational costs related to hardware lifecycle management. This is the most direct way to lower total cost of ownership (TCO) when transitioning from on-premises infrastructure to a public cloud model.
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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