Which Statement About Virtualization Is Not True

Which statement about virtualization is not true?

A) In server virtualization, a single server operates as if it were multiple servers.
B) In desktop virtualization, the user can be using a thin client or mobile device with limited storage because the applications and data are actually stored on a server accessed by the client.
C) In server virtualization, all of the virtual servers on a single physical server must employ the same operating system.
D) Benefits from virtualization include lower costs, ease of management, and flexibility.