A company is designing a highly available architecture for a web application. The application will run on Amazon EC2 instances across multiple Availability Zones. <br/><br/>Which TWO AWS services should be used to distribute incoming traffic across these instances and automatically scale the number of instances based on demand? (Select TWO.)

Answer options:

Application Load Balancer (ALB)

Amazon Route 53

Amazon EC2 Auto Scaling

AWS Global Accelerator

Amazon CloudFront

How to approach this question

Identify the service for traffic distribution (ALB) and the service for dynamic capacity management (Auto Scaling).

Full Answer

Application Load Balancer (ALB)<br/>Amazon EC2 Auto Scaling

An Application Load Balancer serves as the single point of contact for clients and distributes incoming traffic across multiple targets. Amazon EC2 Auto Scaling helps you maintain application availability and allows you to automatically add or remove EC2 instances according to conditions you define.

Common mistakes

Selecting Route 53 instead of ALB for local traffic distribution to instances.

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