Exam AWS Certified Cloud Practitioner topic 1 question 259 discussion

Amazon EC2 Auto Scaling is a service that allows you to automatically adjust the number of Amazon EC2 instances in your fleet based on demand. It helps you maintain steady and predictable performance by automatically scaling the number of instances up or down based on configured policies. When there is increased demand, EC2 Auto Scaling can add more instances, and when demand decreases, it can remove instances to optimize costs. This way, you can ensure you have the right resources available at the right time without incurring unnecessary expenses. EC2 Auto Scaling is a powerful tool for optimizing performance and cost in dynamic and variable workloads.

no doubts

D is the answer.

D. Amazon EC2 Auto Scaling Amazon EC2 Auto Scaling is a service that automatically adjusts the number of Amazon Elastic Compute Cloud (EC2) instances in response to changes in demand for the application. It enables the company to scale resources to ensure that it has the right resources available at the right time, while keeping costs low. It also allows customers to maintain steady and predictable performance by automatically increasing or decreasing the number of EC2 instances based on predefined policies and schedules. Amazon CloudWatch is a monitoring service for AWS resources and the applications you run on AWS, it doesn't provide the automatic scaling feature. Application Load Balancer, is a service that automatically routes incoming application traffic across multiple target instances, it can help with scaling but it's not the best option for this specific use case. AWS Batch is a service that makes it easy to run batch computing workloads on the AWS Cloud, it doesn't provide automatic scaling feature as well.

agreed