- A
Eliminating hardware refresh cycles
Why wrong: Eliminating hardware refresh is a major TCO reduction benefit of cloud migration.
- B
Reducing data center facility costs
Why wrong: Reducing facility costs (power, cooling, space) is a key TCO benefit.
- C
Staff training costs for cloud technologies
Staff training is an upfront cost of migration that may increase TCO initially, not reduce it.
- D
Pay-as-you-go pricing model
Why wrong: Pay-as-you-go eliminates over-provisioning, reducing overall TCO.
Question 801 of 1,024
CLF-C02 Cloud Concepts Practice Question
This CLF-C02 practice question tests your understanding of 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 customer is evaluating moving to AWS and asks about the total cost of ownership (TCO) benefits. Which of the following is NOT a factor that reduces TCO when migrating to AWS?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"NOT"Why it matters: Negative qualifier — you are looking for the one option that does NOT apply. Most options will be true; only one is false for this scenario.
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
✓
Staff training costs for cloud technologies
Option C is correct because staff training costs for cloud technologies are an additional investment required when migrating to AWS, not a factor that reduces total cost of ownership (TCO). While AWS reduces hardware and facility costs, training represents a new expense for upskilling teams on cloud services like EC2, S3, and IAM, which increases rather than decreases TCO.
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.
- ✗
Eliminating hardware refresh cycles
Why it's wrong here
Eliminating hardware refresh is a major TCO reduction benefit of cloud migration.
- ✗
Reducing data center facility costs
Why it's wrong here
Reducing facility costs (power, cooling, space) is a key TCO benefit.
- ✓
Staff training costs for cloud technologies
Why this is correct
Staff training is an upfront cost of migration that may increase TCO initially, not reduce it.
Clue confirmation
The clue word "NOT" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Pay-as-you-go pricing model
Why it's wrong here
Pay-as-you-go eliminates over-provisioning, reducing overall TCO.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may mistakenly view staff training as a cost-saving measure (e.g., reducing need for specialized on-premises administrators), but the question specifically asks for factors that reduce TCO, and training is an added cost, not a reduction.
Detailed technical explanation
How to think about this question
TCO calculations for AWS migration typically compare on-premises costs (hardware, software, labor, facilities) against AWS costs (compute, storage, data transfer, support). AWS's pay-as-you-go model leverages economies of scale, where AWS achieves lower per-unit costs for power, cooling, and hardware procurement than most individual enterprises. Staff training costs, however, are a one-time or ongoing investment that does not inherently reduce TCO but may improve operational efficiency over time.
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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Cloud Concepts — study guide chapter
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Cloud Concepts — This question tests Cloud Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Staff training costs for cloud technologies — Option C is correct because staff training costs for cloud technologies are an additional investment required when migrating to AWS, not a factor that reduces total cost of ownership (TCO). While AWS reduces hardware and facility costs, training represents a new expense for upskilling teams on cloud services like EC2, S3, and IAM, which increases rather than decreases TCO.
What should I do if I get this CLF-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "NOT". Negative qualifier — you are looking for the one option that does NOT apply. Most options will be true; only one is false for this scenario.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 11, 2026
This CLF-C02 practice question is part of Courseiva's free Amazon Web Services 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 CLF-C02 exam.
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