Answer: Elasticity

## Explanation **Elasticity** is the correct answer because it specifically refers to the cloud's ability to automatically scale computing resources up or down based on demand. This allows organizations to: - **Acquire resources on-demand** when needed - **Release resources automatically** when they are no longer required - **Scale seamlessly** without manual intervention - **Pay only for what you use** through this dynamic resource allocation **Why the other options are incorrect:** - **Economies of scale**: Refers to cost advantages that larger organizations can achieve due to their size and volume, not dynamic resource allocation - **Agility**: Refers to the speed and ease with which new IT resources can be provisioned, but doesn't specifically address the automatic scaling aspect - **Security**: Refers to the protection of data and systems, not resource scaling capabilities Elasticity is a fundamental cloud computing characteristic that enables cost optimization and efficient resource utilization in AWS.

Author: Ritesh Yadav