SAA-C03 Domain 4: Design Cost-Optimized Architectures

A regulated workload requires the organization to commit to consistent compute usage for lower hourly rates. Which solution is BEST? commit to consistent compute usage for lower hourly rates.

Multiple choice — select one answer

Answer choices

  1. a. Amazon EC2 Spot Instances
  2. b. AWS Savings Plans or Reserved Instances
  3. c. Instance scheduling with Lambda or Instance Scheduler
  4. d. AWS Compute Optimizer

Architectural breakdown & explanation

Commitment discounts reduce compute cost for steady workloads.

Correct answer(s): b. AWS Savings Plans or Reserved Instances

Exam domain: Domain 4: Design Cost-Optimized Architectures (18% weight on the official guide).

Official documentation & study links

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