What is a major feature of NonStop Advanced Architecture (NSAA) systems?

A.
They can run different versions of operating system software in partitions.

B.
NSAA processors consist of multiple microprocessors on separate Blade Elements.

C.
Input to and output from each Blade Element occurs through a ServerNet PCI adapter card.

D.
All memory on a Blade Element is shared by the processor elements on the Blade Element.

Explanation: