What is a major difference between NFSv3 and NFSv4.x?

What is a major difference between NFSv3 and NFSv4.x?
A . NFSv4.x is stateful, and NFSv3 is stateless.
B . NFSv4.x requires an auxiliary protocol for status monitoring, and NFSv3 does not.
C . NFSv4.x is stateless, and NFSv3 is stateful.
D . NFSv4.x requires an auxiliary protocol for mounting, and NFSv3 does not.

View Answer

Answer: B