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Answer: Implement a target tracking scaling policy for the Auto Scaling group based on CPU utilization., Employ scheduled scaling to set the Auto Scaling group's capacities to zero during weekends, resetting to standard levels at the week's start.
Correct answers are D and E. Option D suggests using a target tracking scaling policy based on instance CPU utilization, which allows the Auto Scaling group to automatically adjust the number of running instances in response to real-time changes in traffic. Option E suggests using scheduled scaling to set the Auto Scaling group's capacity to zero during weekends, and reverting to standard levels at the beginning of the week. This approach ensures the system scales appropriately during peak times and minimizes costs during off-peak times.
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A solutions architect is designing a demonstration environment using Amazon EC2 instances with an Auto Scaling group and an Application Load Balancer (ALB). The system demands fluctuate, peaking during weekdays and ceasing over weekends. What actions should be implemented to ensure scalability and cost-effectiveness?
A
Utilize AWS Auto Scaling to adjust the ALB capacity in response to request rates.
B
Scale the VPC internet gateway's capacity using AWS Auto Scaling.
C
Deploy EC2 instances across multiple AWS Regions to balance the load.
D
Implement a target tracking scaling policy for the Auto Scaling group based on CPU utilization.
E
Employ scheduled scaling to set the Auto Scaling group's capacities to zero during weekends, resetting to standard levels at the week's start.
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