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Exam AWS-SysOps topic 1 question 636 discussion

Exam question from Amazon's AWS-SysOps
Question #: 636
Topic #: 1
[All AWS-SysOps Questions]

An Auto Scaling group scales up and down based on Average CPU Utilization. The alarm is set to trigger a scaling event when the Average CPU Utilization exceeds 80% for 5 minutes. Currently, the Average CPU has been 95% for over two hours and new instances are not being added.
What could be the issue?

  • A. A scheduled scaling action has not been defined.
  • B. In the field Suspend Process, ג€ReplacesUnhealthyג€ has been selected.
  • C. The maximum size of the Auto Scaling group is below or at the current group size.
  • D. The Health Check Grace Period is set to less than 300 seconds.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by cloud at Jan. 10, 2020, 10:38 p.m.
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tetural
Highly Voted 7 months, 2 weeks ago
Answer is C, A is not correct, because you don't need alarming for scheduled scaling
upvoted 14 times
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abhishek_m_86
Most Recent 6 months ago
C. The maximum size of the Auto Scaling group is below or at the current group size. Seem correct
upvoted 1 times
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jackdryan
6 months ago
I'll go with C
upvoted 1 times
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MFDOOM
6 months, 1 week ago
C. The maximum size of the Auto Scaling group is below or at the current group size.
upvoted 2 times
Drey
5 months, 4 weeks ago
does this mean there was step scaling policies implemented on this one?
upvoted 1 times
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narayanan010
7 months ago
I agree with option C, but can someone please confirm why B is invalid?
upvoted 2 times
FredOps
7 months ago
I would say that’s because the instances aren’t marked as unhealthy. Rather than replace instances, we’re trying to add new instances to match the increased CPU load.
upvoted 4 times
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cloud
7 months, 2 weeks ago
A scheduled scaling action has not been defined. https://docs.aws.amazon.com/autoscaling/ec2/userguide/schedule_time.html
upvoted 1 times
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