A teradata node:

A.hash its own copy of the operating system, pde, and teradata software.
B.shares one copy of the operating system and pde with the other nodes , but has its own copy of teradatasoftware.
C.containes a copy of the operating system , pde, and  teradata softwarefor each amp.
D.shares a single copy of the operating system, pde, and teradata software with all the other nodes in the system.

Ans: B