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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 303 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 303
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company is launching a new application deployed on an Amazon Elastic Container Service (Amazon ECS) cluster and is using the Fargate launch type for ECS tasks. The company is monitoring CPU and memory usage because it is expecting high traffic to the application upon its launch. However, the company wants to reduce costs when utilization decreases.

What should a solutions architect recommend?

  • A. Use Amazon EC2 Auto Scaling to scale at certain periods based on previous traffic patterns.
  • B. Use an AWS Lambda function to scale Amazon ECS based on metric breaches that trigger an Amazon CloudWatch alarm.
  • C. Use Amazon EC2 Auto Scaling with simple scaling policies to scale when ECS metric breaches trigger an Amazon CloudWatch alarm.
  • D. Use AWS Application Auto Scaling with target tracking policies to scale when ECS metric breaches trigger an Amazon CloudWatch alarm.
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Suggested Answer: D 🗳️
by Neha999 at Feb. 18, 2023, 3:18 p.m.
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rrharris
Highly Voted 1 year, 8 months ago
Answer is D - Auto-scaling with target tracking
upvoted 14 times
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Joxtat
Highly Voted 1 year, 8 months ago
Selected Answer: D
https://docs.aws.amazon.com/autoscaling/application/userguide/what-is-application-auto-scaling.html
upvoted 5 times
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phuonglai
Most Recent 8 months, 3 weeks ago
Selected Answer: D
https://docs.aws.amazon.com/autoscaling/application/userguide/what-is-application-auto-scaling.html
upvoted 4 times
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awsgeek75
9 months, 2 weeks ago
Selected Answer: D
https://docs.aws.amazon.com/autoscaling/application/userguide/what-is-application-auto-scaling.html
upvoted 2 times
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pentium75
10 months, 1 week ago
Selected Answer: D
This is running on Fargate, so EC2 scaling (A and C) is out. Lambda (B) is too complex.
upvoted 4 times
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TariqKipkemei
1 year ago
Target tracking will scale in/out the ECS cluster to maintain the average CPU utilization to a set value. e.g. <<<50%>>> Scale out when average CPU utilization is above 50% until average CPU utilization is back to 50%. And scale in when average CPU utilization is below 50% until average CPU utilization is back to 50%.
upvoted 5 times
TariqKipkemei
1 year ago
Answer is D
upvoted 2 times
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Guru4Cloud
1 year, 1 month ago
Selected Answer: D
Answer is D - Auto-scaling with target tracking
upvoted 2 times
vincent2023
3 months, 2 weeks ago
Explanation please !!!
upvoted 1 times
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TariqKipkemei
1 year, 6 months ago
Answer is D - Application Auto Scaling is a web service for developers and system administrators who need a solution for automatically scaling their scalable resources for individual AWS services beyond Amazon EC2.
upvoted 4 times
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boxu03
1 year, 7 months ago
Selected Answer: D
should be D
upvoted 2 times
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jahmad0730
1 year, 8 months ago
Selected Answer: D
Answer is D
upvoted 3 times
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Neha999
1 year, 8 months ago
D : auto-scaling with target tracking
upvoted 5 times
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