Which subnet address and mask would you use for all Class D multicast addresses to be matched within an access list?

Which subnet address and mask would you use for all Class D multicast addresses to be matched within an access list?
A . 224.0.0.0/20
B . 224.0.0.0/4
C . 239.0.0.0/24
D . 239.0.0.0/8
E . 225.0.0.0/8

View Answer

Answer: B