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.