Which AWS service should the company use to ensure that there are enough instances to meet the surges in demand?

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In: CLF-C01
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An ecommerce company has been monitoring usage of its online store that is hosted on a fleet of Amazon EC2 instances.Surges in traffic occur every weekend day at the same time and last for approximately 4 hours.

Which AWS service should the company use to ensure that there are enough instances to meet the surges in demand?

AWS Lambda

Amazon EventBridge (Amazon CloudWatch Events)

Elastic Load Balancing (ELB)

Amazon EC2 Auto Scaling

Explanations:

AWS Lambda is used for running serverless functions, but it is not suited for managing EC2 instances or handling sudden traffic surges.

Amazon EventBridge (formerly CloudWatch Events) is used for scheduling and event-driven automation but cannot directly scale EC2 instances.

Elastic Load Balancing (ELB) distributes traffic across instances but does not automatically add or remove EC2 instances based on demand.

Amazon EC2 Auto Scaling is designed to automatically increase or decrease the number of EC2 instances to match traffic demands.

2025-10-21

1 Comment

  1. Laura
    Author

    If I’m correct, the answer is:
    Amazon EC2 Auto Scaling

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