Which concept of cloud computing pertains to the ability to reuse components and services of an application for other purposes?

Portability refers to the ability to move an application or data from one cloud environment to another without significant changes.

Interoperability describes the capability of different systems, applications, or services to communicate, exchange data, and work together effectively. This concept directly enables the reuse of components and services across various platforms or applications, facilitating integration and maximizing utility.

Resource pooling is a fundamental cloud characteristic where computing resources are pooled to serve multiple consumers using a multi-tenant model.

Elasticity is the ability of a system to automatically scale computing resources up or down to meet demand.