ACloud Guru Certified Cloud Practitioner Practice Exam

What AWS service can be combined with Elastic Load Balancing for enhanced management of application traffic?

1. AWS CloudTrail

2. Auto Scaling Group

3. Amazon RDS

4. AWS Identity and Access Management

The correct answer is: Auto Scaling Group

The correct answer is the Auto Scaling Group. When combined with Elastic Load Balancing, Auto Scaling Groups enhance the management of application traffic by automatically adjusting the number of Amazon EC2 instances based on current demand. This means that as traffic to your application increases, the Auto Scaling Group can add more instances to handle the load, thereby improving performance and ensuring high availability. Conversely, it can also reduce the number of instances during low traffic periods, optimizing costs without compromising performance. Elastic Load Balancing works by distributing incoming application traffic across multiple targets, such as EC2 instances, in one or more Availability Zones. When this service is integrated with Auto Scaling, it ensures that the load balancer is aware of the available instances and can efficiently route traffic to them. This setup results in a robust and scalable architecture that can dynamically adapt to varying traffic patterns, enhancing the overall user experience. The other services listed do not directly assist in managing application traffic in conjunction with Elastic Load Balancing. AWS CloudTrail focuses on logging and monitoring account activity, Amazon RDS is a managed database service, and AWS Identity and Access Management manages access control, all of which play important roles but do not specifically enhance traffic management like Auto Scaling Groups do.