How Do Amazon EC2 Auto Scaling Groups Help Achieve High

question 243

Multiple Choice

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.

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Disease X

Refers to a hypothetical, unknown pathogen that could cause a future epidemic.