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Exam AWS-SysOps topic 1 question 414 discussion

Exam question from Amazon's AWS-SysOps
Question #: 414
Topic #: 1
[All AWS-SysOps Questions]

Which of the following activities is NOT performed by the Auto Scaling policy?

  • A. Changing instance types
  • B. Scaling up instance counts
  • C. Maintaining current instance levels
  • D. Scaling down instance counts
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Suggested Answer: A 🗳️
Auto Scaling policies can scale up or down based on the user-defined policies, health status checks or schedules. It also performs a health check on the instances, terminates unhealthy instances, and launches healthy instances to maintain the current instance level. Scaling provides you with options, outside of scaling policies, to override attributes from the instance and use the values that you need. For example, you can override the instance type using AWS CLI commands.
Reference:
http://docs.aws.amazon.com/autoscaling/latest/userguide/create-lc-with-instanceID.html

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albert_kuo
10 months, 1 week ago
Selected Answer: A
Auto Scaling policies are responsible for automatically adjusting the number of instances in an Auto Scaling group based on predefined rules and conditions. However, they do not perform the task of changing instance types.
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wangchung
2 years, 6 months ago
weird question. B and D are the same as A. You can scale out/in but not scale up/down e.g. go from t2.micro to t2.large on the fly.
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johnyjohny1
2 years, 4 months ago
Scaling out / in has nothing to do with instance types, please refer to the theory behind scaling in/out and specifically in the context of AWS.
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