What term describes decoupling software from the underlying physical hardware to enable flexible resource management?

What term describes decoupling software from the underlying physical hardware to enable flexible resource management?

• A. Emulation
• B. Containerization
• C. Virtualization
• D. Sandboxing

Answer: (C)

Decoupling software from the underlying physical hardware to enable flexible resource management is virtualization. By introducing a layer called a hypervisor between the hardware and operating systems, virtualization presents virtual hardware (virtual CPUs, memory, storage, network) to multiple virtual machines. This abstraction lets admins run several isolated environments on one physical server, assign and adjust resources as needed, and even move workloads between hosts without changing the software. That separation from actual hardware is what enables scalable, flexible resource management. Emulation mimics a different hardware architecture and usually incurs more overhead, making it slower and is used to run software for a different processor type. Containerization runs applications with their dependencies on a shared host OS, providing portability and isolation at the process level rather than full hardware abstraction. Sandboxing focuses on restricting what code can do for security isolation, not on providing a complete hardware abstraction for resource management. Virtualization best fits the idea of decoupling software from hardware to manage resources flexibly.

Decoupling software from the underlying physical hardware to enable flexible resource management is virtualization. By introducing a layer called a hypervisor between the hardware and operating systems, virtualization presents virtual hardware (virtual CPUs, memory, storage, network) to multiple virtual machines. This abstraction lets admins run several isolated environments on one physical server, assign and adjust resources as needed, and even move workloads between hosts without changing the software. That separation from actual hardware is what enables scalable, flexible resource management.

Emulation mimics a different hardware architecture and usually incurs more overhead, making it slower and is used to run software for a different processor type. Containerization runs applications with their dependencies on a shared host OS, providing portability and isolation at the process level rather than full hardware abstraction. Sandboxing focuses on restricting what code can do for security isolation, not on providing a complete hardware abstraction for resource management. Virtualization best fits the idea of decoupling software from hardware to manage resources flexibly.