Which feature of Internet Group Management Protocol (IGMP) in IPv4 was excluded from Internet
Control Message Protocol (ICMP) in IPv6?

A.
Subnet mask request/subnet mask reply.

B.
Group membership report/reduction.

C.
Router solicitation/router advertisement.

D.
Neighbor solicitation/neighbor advertisement.

Explanation:
Subnet Mask Request and Subnet Mask Reply were not carried over to Ipv6.
Incorrect Answers:
B: These functions are currently part of ICMPv6.
C: These functions are currently part of ICMPv6.

D: These functions are currently part of ICMPv6.