QuestionQ170

High Availability and Scalability

Which AWS service provides a horizontal-scaling solution that monitors applications and automatically adjusts capacity to maintain consistent, predictable performance at the lowest possible cost?

  • A AWS Spot Fleets
  • B Amazon Aurora Replicas
  • C AWS Scaling Indexes
  • D AWS Auto Scaling
Explanation

AWS Auto Scaling monitors application demand and automatically increases or decreases capacity to maintain steady, predictable performance at the lowest possible cost.

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