Which concept BEST describes the capability for a cloud environment to automatically scale a system or application, based on its current resource demands?

Question

Quizplus · Accepted Answer

Rapid elasticity allows a cloud environment to automatically add or remove resources to or from a system or application based on its current demands. Whereas a traditional data center model would require standby hardware and substantial effort to add resources in response to load increases, a cloud environment can easily and rapidly expand to meet resources demands, so long as the application is properly implemented for it.

Which Concept BEST Describes the Capability for a Cloud Environment