Which firewall has a network interface located in a unique network segment that allows for true isolation of the segments and forces the firewall to filter all traffic moving from one segment to another?

DUAL - HOMED FIREWALL

Explanation:

Dual-home firewall refer to an Ethernet device that has more than one network interface that sits between an untrusted network and trusted network in other to provide secure access.

In dua homed firewall one connection is an internal network and the second connection is to the Internet and works as firewall provided in which there is no direct IP traffic between the Internet and the internal network. In such a case, all Internet applications are run only on the dual-homed host.

d?

explanation:

(because i need 20 chars)