GSEC · Question #249
What is the term for the software that allows a single physical server to run multiple virtual servers?
The correct answer is B. Hypervisor. A hypervisor is the software layer that abstracts physical hardware and allows multiple virtual machines to run simultaneously on a single physical server.
Question
What is the term for the software that allows a single physical server to run multiple virtual servers?
Options
- AVirtual machine
- BHypervisor
- CHost
- DGuest
How the community answered
(39 responses)- A15% (6)
- B74% (29)
- C3% (1)
- D8% (3)
Why each option
A hypervisor is the software layer that abstracts physical hardware and allows multiple virtual machines to run simultaneously on a single physical server.
A virtual machine is the isolated guest environment created and managed by a hypervisor, not the software that enables multiple VMs to exist.
A hypervisor, also called a virtual machine monitor (VMM), is the foundational software that partitions physical server resources (CPU, RAM, storage) and allocates them to isolated virtual machines. It sits between the hardware and the guest operating systems, managing execution contexts so multiple VMs can coexist on one physical host.
A host refers to the physical server or machine on which the hypervisor runs, not the software itself.
A guest refers to a virtual machine running on top of a hypervisor, not the software that enables virtualization.
Concept tested: Hypervisor role in server virtualization
Source: https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/hyper-v-overview
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