What term describes a technology's ability to perform under an increased or expanding use case?

• A. Flexibility
• B. Scalability
• C. Interoperability
• D. Availability

Answer: (B)

Scalability is about a technology’s ability to handle growing demand or expanded use cases while maintaining acceptable performance. It means the system can scale up (add more power to a single node) or scale out (add more nodes) and still deliver results, often using techniques like load balancing, distributed processing, and modular design. In cloud environments, elasticity is a related idea, letting resources adjust automatically as load changes, but the core idea remains: performance stays reliable as usage increases.

Flexibility focuses on adapting to different tasks or configurations, not specifically on handling higher loads. Interoperability is about different systems working together and exchanging data. Availability concerns how often the system is up and accessible, not how well it performs under expanding use cases.