Match Each Item with a Statement Below

Match each item with a statement below.
a.Neighbor Discovery
b.Duplicate Address Detection
c.Neighbor Solicitation
d.Router Advertisement
e.Neighbor Advertisement
f.unspecified address
g.Redirect
h.Router Solicitation
i.solicited-node address
-a method for checking the IPv6 address that a node wishes to use by sending a Neighbor Advertisement message to see if it is already in use by some other node