Correct Answer: Configure the web server's Security Group to allow inbound traffic from the ALB's Security Group
Referencing the ALB security group in the instance's security group is the most secure and scale-friendly approach....
Correct Answer
Configure the web server's Security Group to allow inbound traffic from the ALB's Security Group
Why This Answer Is Correct
Referencing the ALB security group in the instance's security group is the most secure and scale-friendly approach.
This question evaluates your knowledge of Application Load Balancer — a core concept tested in AWS Certified Solutions Architect – Associate (SAA-C03). Understanding Application Load Balancer is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.
You need to route traffic to Amazon EC2 instances based on URL paths (e.g., '/api' vs '/static'). Which load balancer type should you use?
A company has a microservices architecture and wants to route requests to different target groups based on the URL path (e.g., /orders vs /users). Which load balancer type is best suited for this?
Can an Application Load Balancer direct traffic to targets in different VPCs?
What is 'Sticky Sessions' (Session Affinity) in the context of an ALB?
Which ALB feature allows for serverless integration by routing requests to AWS Lambda functions?