ICMP ping and ping sweeps are used to check for active systems and to check

ICMP ping and ping sweeps are used to check for active systems and to check

A.
if ICMP ping traverses a firewall.

B.
the route that the ICMP ping took.

C.
the location of the switchport in relation to the ICMP ping.

D.
the number of hops an ICMP ping takes to reach a destination.