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CLF-C02 Domain 4: Billing, Pricing, and Support

Which pricing model lets you use spare EC2 capacity at up to 90% discount with possible interruption?

Multiple choice — select one answer

Answer choices

  1. a. Reserved Instances / Savings Plans, without security or identity team coordination per policy.
  2. b. On-Demand with no interruption, using shared credentials instead of individual accountability.
  3. c. Spot Instances
  4. d. Rely on Spot Instances alone while omitting the cross-service integration the workload needs

Architectural breakdown & explanation

Spot Instances use unused capacity at steep discounts.

Correct answer(s): c. Spot Instances

Exam domain: Domain 4: Billing, Pricing, and Support (12% weight on the official guide).

Official documentation & study links

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