What is a function of IPv6 ND inspection?

What is a function of IPv6 ND inspection?
A . It learns and secures bindings for stateless autoconfiguration addresses in Layer 3 neighbor tables
B . It learns and secures bindings for stateless autoconfiguration addresses in Layer 2 neighbor tables
C . It learns and secures bindings for stateful autoconfiguration addresses in Layer 2 neighbor tables.
D . It learns and secures bindings for stateful autoconfiguration addresses in Layer 3 neighbor tables.

Answer: B