Match Each Item with a Statement Below

Match each item with a statement below.
a.Voice over IP (VoIP)
b.per-hop behavior (PHB)
c.Fragment Offset field
d.Maximum Datagram Lifetime (MDL)
e.6to4
f.precedence
g.path MTU (PMTU) Discovery
h.Jumbogram
i.time to live (TTL)
-a method of allowing IPv6 network nodes to communicate with each other over an IPv4 network by special encapsulation of IPv6 packets