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Exam AWS-SysOps topic 1 question 417 discussion

Exam question from Amazon's AWS-SysOps
Question #: 417
Topic #: 1
[All AWS-SysOps Questions]

Which of the choices below best describes what Auto Scaling is well suited for?

  • A. only for applications that experience hourly, daily, or weekly variability in usage.
  • B. Both for applications that have stable demand patterns and that experience hourly, daily, or weekly variability in usage.
  • C. Both for applications that use frameworks and SDKs to enhance its customer relationship.
  • D. only for applications with a stable usage pattern but extremely high workload.
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Suggested Answer: B 🗳️
Auto Scaling is well suited to both applications that have stable demand patterns and that experi-ence hourly, daily, or weekly variability in usage. Whether the demand is predictable or unpredicta-ble auto scaling can be a good choice. If the demand is predictable and long term you may choose reserved instances. If the demand is unpredictable you may choose on-demand or even spot instance (if you can afford to have an instance lost unexpectedly).
Reference:
http://aws.amazon.com/autoscaling/

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albert_kuo
10 months, 1 week ago
Selected Answer: B
For applications with stable demand patterns, Auto Scaling helps maintain the desired number of instances based on the defined scaling policies. It can automatically adjust the number of instances to match the workload and ensure optimal resource utilization. For applications that experience hourly, daily, or weekly variability in usage, Auto Scaling is particularly beneficial. It can dynamically scale the number of instances up or down to match the changing demand. This flexibility allows the application to handle peak loads efficiently while reducing costs during periods of lower demand.
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