What is the function of the hop limit field in the IPv6 header?
A.
It limits the diameter of the network to 20 hops
B.
It sets the number of hops in the network to be equal to the MPLS header time-to-live
(TTL)
C.
It replaces the time-to-live (TTL) field in IPv4
D.
It represents future extensibility to the protocol