Answer: Elasticity

## Explanation **Elasticity** is the correct answer because it refers to the ability of cloud services to automatically scale resources up or down based on demand, allowing companies to handle peak usage without having to purchase and maintain physical equipment for on-premises data centers. ### Key Points: - **Elasticity** enables automatic scaling to accommodate fluctuating workloads - Eliminates the need for upfront capital investment in hardware - Provides cost efficiency by only paying for resources when needed - Allows seamless handling of traffic spikes without performance degradation ### Comparison with Other Options: - **High availability**: Focuses on ensuring services remain accessible and operational - **Security**: Concerns protection of data and resources from threats - **Reliability**: Refers to consistent performance and service delivery Elasticity specifically addresses the scenario described where a company needs to handle peak usage without physical infrastructure investment.

Author: Ritesh Yadav