Which description of a virtual private cloud is true?

A.
An on-demand configurable pool of shared networking resources allocated
within a private cloud environment. Which provides tenant isolation

B.
An on-demand configurable pool of shared computing resources within a public
cloud environment. Which provides tenant isolation

C.
An on-demand configurable pool of shared data resources allocated within a
private cloud environment. Which provides assigned DMZ zones

D.
An on-demand configurable pool of snared software applications allocated
within a public cloud environment. Which provides tenant isolation