Which HP series of thin client offers hardware that is purpose-built for a specific virtualization
environment?

A.
Flexible series

B.
Zero series

C.
Smart Zero series

D.
Thin Client series

Explanation:
http://www.atrac.com/documents/HP/Enterprise/datasheet/HP_DATASHEET_6610FlexibleThinClient_QuickSp
ecs.pdf(page 4, overview, first bullet)