- A
On-Demand instances
Why wrong: On-Demand is the most expensive pricing model and does not offer discounts. It is not optimal for a predictable, always-on workload.
- B
Standard Reserved Instances (no upfront, 3-year term)
Why wrong: Standard Reserved Instances provide a significant discount but are locked to a specific instance family and Region. They also require commitment to a specific instance configuration, which does not match the company's flexibility requirements.
- C
Compute Savings Plans (no upfront, 3-year term)
Compute Savings Plans offer flexible compute coverage across EC2 instance families, sizes, Regions, OS, and tenancy. The 3-year term with no upfront payment provides cost savings without an initial cash outlay, exactly meeting the stated needs.
- D
Spot Instances
Why wrong: Spot Instances offer large discounts but can be interrupted with a two-minute notice. They are unsuitable for a production application that requires continuous 24/7 availability.
CLF-C02 Billing, Pricing, and Support Practice Question
This CLF-C02 practice question tests your understanding of billing, pricing, and support. 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 runs a production application on a mix of Amazon EC2 instance families (e.g., M5, C5, R5) across two AWS Regions. The application runs 24/7 and is expected to continue for the next three years. The company wants to minimize compute costs while retaining the flexibility to change instance families, sizes, or Regions if needed. The company also prefers to avoid any upfront payment to preserve cash flow. Which AWS pricing option should the company choose?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"minimum / minimize"Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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
Compute Savings Plans (no upfront, 3-year term)
Compute Savings Plans (no upfront, 3-year term) provide the highest discount (up to 66%) while allowing flexibility to change instance families (e.g., M5 to C5), sizes, and AWS Regions. This matches the company’s requirement to minimize costs over three years without upfront payment, and the plan automatically applies to any EC2 instance usage within the chosen commitment, preserving the ability to switch instance types or Regions as needed.
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 instances
Why it's wrong here
On-Demand is the most expensive pricing model and does not offer discounts. It is not optimal for a predictable, always-on workload.
When this WOULD be correct
A company with unpredictable workloads that cannot commit to a 1- or 3-year term, or needs maximum flexibility to stop/start instances at any time without penalty, should choose On-Demand instances.
- ✗
Standard Reserved Instances (no upfront, 3-year term)
Why it's wrong here
Standard Reserved Instances provide a significant discount but are locked to a specific instance family and Region. They also require commitment to a specific instance configuration, which does not match the company's flexibility requirements.
When this WOULD be correct
A company has a steady-state workload with predictable resource usage, requires a specific instance family and Region for 3 years, and wants to minimize costs without upfront payment. Standard RIs (no upfront, 3-year) would be the best choice.
- ✓
Compute Savings Plans (no upfront, 3-year term)
Why this is correct
Compute Savings Plans offer flexible compute coverage across EC2 instance families, sizes, Regions, OS, and tenancy. The 3-year term with no upfront payment provides cost savings without an initial cash outlay, exactly meeting the stated needs.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Spot Instances
Why it's wrong here
Spot Instances offer large discounts but can be interrupted with a two-minute notice. They are unsuitable for a production application that requires continuous 24/7 availability.
When this WOULD be correct
A company runs a fault-tolerant, stateless batch processing job that can handle interruptions and wants the lowest possible compute cost, with no requirement for 24/7 operation.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The CLF-C02 exam frequently reuses these exact scenarios with slightly different constraints.
✓Compute Savings Plans (no upfront, 3-year term)Correct answer▾
Why this is correct
Compute Savings Plans offer flexible compute coverage across EC2 instance families, sizes, Regions, OS, and tenancy. The 3-year term with no upfront payment provides cost savings without an initial cash outlay, exactly meeting the stated needs.
✗On-Demand instancesWrong answer — click to see why▾
Why this is wrong here
On-Demand instances are the most expensive pricing model, and the company wants to minimize costs for a predictable 24/7 workload over three years, making them cost-inefficient.
★ When this WOULD be the correct answer
A company with unpredictable workloads that cannot commit to a 1- or 3-year term, or needs maximum flexibility to stop/start instances at any time without penalty, should choose On-Demand instances.
Why candidates choose this
Candidates may think On-Demand offers the most flexibility to change instance families, sizes, or Regions, but they overlook that Compute Savings Plans provide similar flexibility at a lower cost for steady-state workloads.
✗Standard Reserved Instances (no upfront, 3-year term)Wrong answer — click to see why▾
Why this is wrong here
Standard Reserved Instances lock the company to specific instance families and Regions, which conflicts with the requirement to retain flexibility to change instance families, sizes, or Regions.
★ When this WOULD be the correct answer
A company has a steady-state workload with predictable resource usage, requires a specific instance family and Region for 3 years, and wants to minimize costs without upfront payment. Standard RIs (no upfront, 3-year) would be the best choice.
Why candidates choose this
Candidates may think Reserved Instances always offer the deepest discounts and assume 'no upfront' meets the cash flow preference, overlooking the flexibility limitation that Compute Savings Plans provide.
✗Spot InstancesWrong answer — click to see why▾
Why this is wrong here
Spot Instances can be interrupted with a 2-minute notice, making them unsuitable for a 24/7 production application that requires continuous availability.
★ When this WOULD be the correct answer
A company runs a fault-tolerant, stateless batch processing job that can handle interruptions and wants the lowest possible compute cost, with no requirement for 24/7 operation.
Why candidates choose this
Candidates see 'minimize compute costs' and think Spot Instances are the cheapest, overlooking the reliability requirements of a production application running 24/7.
Analysis generated from the official CLF-C02blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Reserved Instances with Savings Plans, assuming RIs offer the same flexibility, but Standard RIs are region- and instance-family-specific, while Compute Savings Plans provide cross-family and cross-Region flexibility.
Detailed technical explanation
How to think about this question
Compute Savings Plans apply a hourly commitment (e.g., $10/hour) and automatically discount eligible EC2 usage across any instance family, size, OS, tenancy, and Region, up to the commitment amount. Under the hood, the discount is applied at the billing meter level, so even if you change from a C5.large in us-east-1 to an R5.xlarge in eu-west-1, the plan continues to cover the usage as long as it stays within the commitment. In contrast, Standard RIs require matching the exact instance attributes (family, size, Region, tenancy) to receive the discount, making them inflexible for dynamic workloads.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Billing, Pricing, and Support — This question tests Billing, Pricing, and Support — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Compute Savings Plans (no upfront, 3-year term) — Compute Savings Plans (no upfront, 3-year term) provide the highest discount (up to 66%) while allowing flexibility to change instance families (e.g., M5 to C5), sizes, and AWS Regions. This matches the company’s requirement to minimize costs over three years without upfront payment, and the plan automatically applies to any EC2 instance usage within the chosen commitment, preserving the ability to switch instance types or Regions as needed.
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: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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 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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