A company is evaluating the advantages of migrating to the AWS Cloud. Which of the following scenarios BEST illustrates the combined benefits of high availability, elasticity, and agility in the AWS Cloud?
Purchasing excess on-premises server capacity in anticipation of a potential future traffic increase.
Using a single EC2 instance that can be resized manually to accommodate an increase in web traffic.
Utilizing Auto Scaling to launch instances in multiple Availability Zones, adapting to traffic surges while enabling rapid deployment of new features.
Deploying an application across two on-premises data centers for disaster recovery purposes.