Question 1 of 30
A company is migrating its application infrastructure to a cloud service provider and is considering using AWS for its deployment. The application requires a highly available architecture with minimal downtime. The company plans to use Amazon EC2 instances across multiple Availability Zones (AZs) and wants to implement an auto-scaling group to manage the instances. Which of the following configurations would best ensure that the application remains available and can handle varying loads effectively?
Configure an auto-scaling group with a minimum of two EC2 instances in each AZ and set the scaling policy to add instances based on CPU utilization exceeding 70%.
Set up a single EC2 instance in one AZ and configure a CloudWatch alarm to trigger scaling actions based on network traffic.
Deploy EC2 instances in a single AZ with a load balancer that distributes traffic evenly, without auto-scaling.
Use a combination of EC2 instances and AWS Lambda functions in a single AZ to handle requests based on a fixed schedule.

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