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Answer: Adopt AWS Application Auto Scaling with target tracking to respond to ECS metrics and CloudWatch alarms.
The correct answer is D. AWS Application Auto Scaling with target tracking scaling policies is specifically designed to scale resources based on metric breaches in a more automated and managed way. This approach continuously monitors specific metrics like CPU and memory utilization and scales the ECS tasks dynamically to maintain the desired performance while optimizing costs. It is more suitable for applications with variable workloads, like the one described.
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A company is deploying a new application on Amazon ECS using the Fargate launch type. They are monitoring CPU and memory due to expected high traffic at launch and seek cost reduction during low utilization. What scaling strategy should be recommended?
A
Implement Amazon EC2 Auto Scaling based on historical traffic data.
B
Deploy an AWS Lambda to adjust ECS in response to CloudWatch alarms for metric thresholds.
C
Utilize EC2 Auto Scaling with simple policies triggered by ECS metrics and CloudWatch alarms.
D
Adopt AWS Application Auto Scaling with target tracking to respond to ECS metrics and CloudWatch alarms.
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