A company needs to use spare EC2 capacity at steep discount for fault-tolerant batch. Which option meets the requirement with the LEAST implementation effort? use spare EC2 capacity at steep discount for fault-tolerant batch.
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
Spot offers unused capacity at lower prices.
Correct answer(s): d. Amazon EC2 Spot Instances
Exam domain: Domain 4: Design Cost-Optimized Architectures (18% weight on the official guide).
Official documentation & study links
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