An ecommerce company has Amazon EC2 instances running as web servers. There is a predictable pattern of peak traffic load that occurs two times each day, always at the same time. The EC2 instances are idle for the remainder of the day.
What is the MOST cost-effective way to manage these resources while maintaining fault tolerance?

A. Use an Auto Scaling group to scale resources in and out based on demand.

B. Purchase Reserved Instances to ensure peak capacity at all times.

C. Write a cron job to stop the EC2 instances when the traffic demand is low.

D. Write a script to vertically scale the EC2 instances during peak traffic demand.








 

Suggested Answer: A

Community Answer: A




This question is in CLF-C01 AWS Certified Cloud Practitioner Exam
For getting AWS Certified Cloud Practitioner Certificate


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