Match Each Item with a Statement Below

Short Answer

Match each item with a statement below.
a.Network congestion
b.firewalking
c.ICMP query message
d.inverse mapping
e.ICMP Echo communication
f.overhead
g.reachability
h.throughput difference
i.restricting link
-the process of identifying live network hosts positioned behind a filtering device by probing for addresses known not to be in use