Amazon Web Services AWS Certified SysOps Administrator - Associate SOA-C01 Question # 38 Topic 4 Discussion

Amazon Web Services AWS Certified SysOps Administrator - Associate SOA-C01 Question # 38 Topic 4 Discussion

SOA-C01 Exam Topic 4 Question 38 Discussion:
Question #: 38
Topic #: 4

An application is running on Amazon EC2 instances behind an Application Load Balancer (ALB). The instances are configured in an Amazon EC2 Auto Scaling group. A SysOps Administrator must configure the application to scale based on the number of incoming requests.

Which solution accomplishes this with the LEAST amount of effort?


A.

Use a simple scaling policy based on a custom metric that measures the average active requests of all EC2 instances


B.

Use a simple scaling policy based on the Auto Scaling group GroupDesiredCapacity metric


C.

Use a target tracking scaling policy based on the ALB’s ActiveConnectionCount metric


D.

Use a target tracking scaling policy based on the ALB’s RequestCountPerTarget metric


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