How do Amazon EC2 Auto Scaling groups help achieve high availability for a web application?
A) They automatically add more instances across multiple AWS Regions based on global demand of the application.
B) They automatically add or replace instances across multiple Availability Zones when the application needs it.
C) They enable the application's static content to reside closer to end users.
D) They are able to distribute incoming requests across a tier of web server instances.

Question

Quizplus · Accepted Answer

Amazon EC2 Auto Scaling groups help achieve high availability by automatically adding or replacing instances across multiple Availability Zones, ensuring that the application can handle varying loads and maintain availability even if some instances fail.

How Do Amazon EC2 Auto Scaling Groups Help Achieve High