Which two statements about MLD snooping are true? (Choose two)

Which two statements about MLD snooping are true? (Choose two)
A . MLD protocol messages can be sent in both IGMPv4 and ICMPv4 formats.
B . It supports private VLANs.
C . It limits the Layer 2 multicast traffic that is generated by routing protocols.
D . PFC modes support MLD version 2 only.
E . The MLD snooping querier requires the VLAN interface to be configured with an IPv6 address.

Answer: B, E