N10-005 · Question #558
The software that allows a machine to run multiple operating systems at once is called the:
The correct answer is B. hypervisor. A hypervisor is the software layer that abstracts physical hardware and enables multiple operating systems to run concurrently on a single machine.
Question
The software that allows a machine to run multiple operating systems at once is called the:
Options
- Aserver manager
- Bhypervisor
- Cboot loader
- Dpartition manager
How the community answered
(22 responses)- A9% (2)
- B86% (19)
- D5% (1)
Why each option
A hypervisor is the software layer that abstracts physical hardware and enables multiple operating systems to run concurrently on a single machine.
A server manager is an administrative tool for managing server roles and features, not for running multiple OS instances.
A hypervisor, also called a Virtual Machine Monitor (VMM), sits between the hardware and guest operating systems, allocating CPU, memory, and I/O resources so that multiple OS instances can run simultaneously and in isolation on one physical host. This is its core and defining function.
A boot loader initializes and loads a single operating system at startup and does not support concurrent OS execution.
A partition manager divides disk storage into logical sections but cannot run multiple operating systems simultaneously.
Concept tested: Hypervisor role in virtualization
Source: https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/hyper-v-technology-overview
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