What is different between an HP zero client and an HP smart zero client?

A.
HP zero clients are all-in-ones while HP smart zero clients require a choice of displays.

B.
HP smart zero clients are adaptable to the customer’s choice of client virtualization
environments while HP zero clients are purpose-built for one client virtualization environment.

C.
HP smart zero clients include mobile thin clients while HP zero clients are only desktop
solutions.

D.
HP zero clients are adaptable to the customer’s choice of client virtualization environments
while HP smart zero clients are purpose-built for one client virtualization environment.