350-401 · Question #1105
What is a characteristic of a virtual machine?
The correct answer is B. It provides an environment completely isolated from the host OS.. A virtual machine provides complete isolation from the host operating system because it encapsulates its own full operating system and hardware virtualization.
Question
What is a characteristic of a virtual machine?
Options
- AIt is more resource efficient than a container.
- BIt provides an environment completely isolated from the host OS.
- CIt is more lightweight than a container.
- DIt shares the host OS kernel, binaries, and libraries.
How the community answered
(45 responses)- A4% (2)
- B91% (41)
- C2% (1)
- D2% (1)
Why each option
A virtual machine provides complete isolation from the host operating system because it encapsulates its own full operating system and hardware virtualization.
Containers are generally more resource efficient than VMs because they share the host OS kernel, avoiding the overhead of a full guest OS.
A virtual machine runs its own independent guest operating system, which is completely isolated from the host OS and other VMs by a hypervisor. This isolation encompasses separate kernel, libraries, and binaries, preventing direct interaction or resource sharing at the operating system level.
VMs are significantly more heavyweight than containers as they encapsulate an entire operating system along with the application, whereas containers only package the application and its dependencies.
VMs do not share the host OS kernel, binaries, or libraries; each VM has its own operating system with its distinct kernel, binaries, and libraries, running on top of a hypervisor.
Concept tested: Virtual machine characteristics and isolation
Source: https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/what-is-hyper-v
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