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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 39 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02
Question #: 39
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

An application runs on Amazon EC2 instances across multiple Availability Zones. The instances run in an Amazon EC2 Auto Scaling group behind an Application
Load Balancer. The application performs best when the CPU utilization of the EC2 instances is at or near 40%.
What should a solutions architect do to maintain the desired performance across all instances in the group?

  • A. Use a simple scaling policy to dynamically scale the Auto Scaling group.
  • B. Use a target tracking policy to dynamically scale the Auto Scaling group.
  • C. Use an AWS Lambda function to update the desired Auto Scaling group capacity.
  • D. Use scheduled scaling actions to scale up and scale down the Auto Scaling group.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by malefin280 at June 1, 2020, 6:40 p.m.
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malefin280
Highly Voted 3 years, 9 months ago
Should be B https://docs.aws.amazon.com/autoscaling/application/userguide/application-auto-scaling-target-tracking.html
upvoted 74 times
aguy9
3 years, 8 months ago
I agree with B
upvoted 4 times
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kratnesh
Highly Voted 3 years, 9 months ago
Agree, its B
upvoted 12 times
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48cd959
Most Recent 1 year, 3 months ago
Selected Answer: B
Ans B. Target Tracking ALB policy with target selected as CPU utilization
upvoted 1 times
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queen101
2 years, 10 months ago
bbbbbbbb
upvoted 1 times
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slcheng
2 years, 11 months ago
Selected Answer: B
Fit for request
upvoted 1 times
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jj22222
3 years, 6 months ago
BBBBBBBBBB
upvoted 1 times
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r3xakead0
3 years, 7 months ago
Selected Answer: B
the correct answer is B.
upvoted 1 times
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akss009
3 years, 7 months ago
B is right
upvoted 3 times
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Vibes
3 years, 7 months ago
B is right
upvoted 2 times
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woke
3 years, 7 months ago
B is correct...target tracking
upvoted 3 times
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nickname20212021
3 years, 7 months ago
Passed the exam on 26th June, this question was on my test.
upvoted 6 times
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Maximillian
3 years, 7 months ago
Anything to do with the CPU utilization will be target tracking. Anything that has some predictable load will be scheduled.
upvoted 6 times
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Gupshup
3 years, 7 months ago
is at or near 40% --> target
upvoted 2 times
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Abdullah777
3 years, 8 months ago
it is B in neal.
upvoted 1 times
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KK_uniq
3 years, 8 months ago
B for sure. Easy question
upvoted 1 times
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syu31svc
3 years, 8 months ago
Correct answer is B as Target Tracking scaling can help scale as per the CPU metric to keep the average utilization around 40%.
upvoted 2 times
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mryala
3 years, 8 months ago
it's B
upvoted 1 times
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A (35%)
C (25%)
B (20%)
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