Which term describes the ability of a system to scale with increasing demand?

Which term describes the ability of a system to scale with increasing demand?

• A. MAC filtering
• B. Compute
• C. air-gapped
• D. Scalability

Answer: (D)

Scaling with increasing demand is scalability—the system’s ability to grow capacity or performance as workload rises without a drop in service quality. In practice this means architectural choices like adding more servers (horizontal scaling), upgrading hardware (vertical scaling), using load balancing, caching, and auto-scaling in cloud environments. This term is the best fit because it directly describes a system’s capability to handle higher demand. The other options fail to capture this property: MAC filtering is a security control that restricts access by device MAC address and doesn’t address how the system handles more load; Compute refers to processing power or work to be done and isn’t about the system’s ability to scale; air-gapped means a network is physically isolated for security and has nothing to do with scaling resources.

Scaling with increasing demand is scalability—the system’s ability to grow capacity or performance as workload rises without a drop in service quality. In practice this means architectural choices like adding more servers (horizontal scaling), upgrading hardware (vertical scaling), using load balancing, caching, and auto-scaling in cloud environments. This term is the best fit because it directly describes a system’s capability to handle higher demand. The other options fail to capture this property: MAC filtering is a security control that restricts access by device MAC address and doesn’t address how the system handles more load; Compute refers to processing power or work to be done and isn’t about the system’s ability to scale; air-gapped means a network is physically isolated for security and has nothing to do with scaling resources.