CLF-C02 Billing, Pricing, and Support Practice Question
Which AWS pricing benefit means that the more AWS services you use across your organization, the greater the volume discounts you receive on some services?
⚠ Common exam trap
Candidates often confuse tiered volume pricing with Savings Plans, but Savings Plans require a specific commitment amount and are limited to compute services, whereas tiered volume pricing is automatic and applies to a broader set of services without any upfront commitment.
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
✓
Tiered volume pricing discounts
Tiered volume pricing discounts reward customers with lower per-unit costs as their usage volume increases across multiple services. This is a built-in AWS pricing model where the more you use, the more you save, without requiring any upfront commitment or reservation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Reserved Instance discounts
Why it's wrong here
Reserved Instance discounts are contractual discounts that require a 1- or 3-year commitment to an instance family in a specific AWS Region. The discount applies per instance-hour regardless of how much total compute or storage volume your account consumes, so it never scales down as your aggregated usage grows. Because the price reduction is tied to a commitment rather than to crossing usage thresholds, it is not a tiered volume pricing discount.
- ✓
Tiered volume pricing discounts
Why this is correct
Tiered volume pricing automatically reduces the per-unit cost as your usage crosses predetermined thresholds over a month. For example, Amazon S3 charges lower per-GB rates for the portion of storage that exceeds higher tier boundaries, so effective storage price falls as total data volume increases. This is the classic 'bigger usage, cheaper unit price' model that directly matches the question's description of volume-based discounts.
- ✗
Spot Instance savings
Why it's wrong here
Spot Instance savings arise when you bid on and use Amazon EC2 spare capacity at a market-based hourly rate, which can be 60–90% lower than on-demand pricing. The discount is determined by real-time supply and demand for idle capacity, not by the cumulative volume of resources you use, and instances can be reclaimed with two-minute notice. Because the price is per-instance-hour based on the spot market rather than tiered by aggregate usage, it does not qualify as a volume-based discount.
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Savings Plans commitment discounts
Why it's wrong here
Savings Plans offer discounted hourly rates in exchange for committing to a consistent amount of compute usage (measured in dollars per hour) for a 1- or 3-year term. The discount applies to any eligible compute usage up to your commitment, but it is a commitment-based model rather than a tiered rate that changes as you accumulate usage volume. In other words, the price does not automatically step down when you exceed certain usage milestones the way tiered pricing does.
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