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SAA-C03 Domain 4: Design Cost-Optimized Architectures

For cost and security, the team must right-size EC2 using utilization metrics. What is the recommended approach? right-size EC2 using utilization metrics.

Multiple choice — select one answer

Answer choices

  1. a. AWS Compute Optimizer
  2. b. AWS Savings Plans or Reserved Instances
  3. c. Instance scheduling with Lambda or Instance Scheduler
  4. d. Snapshot lifecycle policies

Architectural breakdown & explanation

Compute Optimizer recommends instance sizes.

Correct answer(s): a. AWS Compute Optimizer

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

Official documentation & study links

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