Question

1. what is a virtual machine (vm)?

a. a physical computer that runs multiple operating systems.
b. a guest operating system installed on a host computer using virtualization software.
c. a software application that manages computer hardware.
d. a type of storage device.

Explanation:

• Option A is incorrect because a physical computer is not a virtual machine; a VM is software-based.
• Option C describes an operating system, not a virtual machine.
• Option D is wrong as a VM is not a storage device.
• Option B correctly defines a virtual machine as a guest OS run on a host via virtualization software.

Answer:

B. A guest operating system installed on a host computer using virtualization software.