Exhibit

You are a network engineer at Domain.com. You are troubleshooting a connectivity problem between Hosts Certkiller A and Certkiller B. The following conditions exist:
– Host Certkiller A can ping the firewall, but cannot ping Host Certkiller B.
– Host Certkiller B can ping both the firewall and www. Domain.com.
– The firewall can ping www. Domain.com.
– Host Certkiller C can ping the firewall and www. Domain.com.
– Host Certkiller A and Host Certkiller C have the same permissions on the firewall.
What is the most likely problem?

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

B.
Host Certkiller A has an incorrect default gateway configured.

C.
Host Certkiller B has an incorrect default gateway configured.

D.
Host Certkiller C has an incorrect default gateway configured.

E.
The firewall has an incorrect default gateway configured.