A. An abstraction layer over computer hardware that allows the hardware elements of a single computer-processors, memory, storage, and more-to be divided into multiple segments

B. A model of software that packages up code and all its dependencies so the application runs quickly and reliably from one computing environment to another

C. A model where a provider manages the back-end infrastructure management tasks, such as provisioning, scaling, scheduling, and patching

D. A solution comprised of sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the internet