Exam AWS-SysOps topic 1 question 636 discussion

Exam question from Amazon's AWS-SysOps

Question #: 636
Topic #: 1

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

Suggested Answer: C 🗳️

by cloud at Jan. 10, 2020, 10:38 p.m.

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Comments

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tetural

Highly Voted 9 months, 1 week 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 7 months, 3 weeks 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

8 months ago

I'll go with C

upvoted 1 times

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MFDOOM

8 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

7 months, 3 weeks ago

does this mean there was step scaling policies implemented on this one?

upvoted 1 times

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narayanan010

8 months, 3 weeks ago

I agree with option C, but can someone please confirm why B is invalid?

upvoted 2 times

FredOps

8 months, 3 weeks 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

9 months, 1 week 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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