Which statement about IPv6 ND inspection is true?

Which statement about IPv6 ND inspection is true?
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 3 neighbor tables.
D . It learns and secures bindings for stateful autoconfiguration addresses in Layer 2 neighbor tables.

Answer: B