A network engineer is troubleshooting a connectivity problem between Hosts A and B. The following conditions exist:- Host A can ping the firewall, but cannot ping Host B.- Host B can ping both the firewall and www.cisco.com.- The firewall can ping www.cisco.com.- Host C can ping the firewall and www.cisco.com.- Host A and Host C have the same permissions on the firewallWhat is the most likely problem?

A.
Routing protocols in the network are not set up properly, and not propagating across the firewall.

B.
Host A has an incorrect default gateway configured.

C.
Host B has an incorrect default gateway configured.

D.
Host C has an incorrect default gateway configured.

E.
The firewall has an incorrect default gateway configured.