Match Each Item with a Statement Below

Match each item with a statement below.
a.Commercial-grade firewall
f.Application-level gateway
b.Dual-homed host firewall
g.URL filtering
c.Packet-filtering firewall
h.Circuit-level gateway
d.Stateless packet filtering
i.Firewall appliances
e.Stateful packet filtering
-An examination of the data contained in a packet as well as the state of the connection between internal and external computers.