Which of the following is a definition of virtualization?

A.
Virtualization is a method to structure data in a more efficient manner with less cost to the
user.

B.
Virtualization is a set of techniques for hiding hardware resources behind software
abstractions.

C.
Virtualization is a method to organize servers in a more efficient manner to double the
number of accessible users

D.
Virtualization is a set of techniques for hiding software resources behind hardware
abstractions.