Which of the following devices would MOST likely have a DMZ interface?

A.
Firewall

B.
Switch

C.
Load balancer

D.
Proxy

Explanation:
The DMZ is a buffer network between the public untrusted Internet and the private trusted LAN. Often a
DMZ is deployed through the use of a multihomed firewall.
Incorrect Answers:B: A switch is a networking device used to connect other devices together and potentially implement
traffic management on their communications.
C: A load balancer is used to spread or distribute network traffic load across several network links or
network devices.
D: A proxy server is a variation of an application-level firewall or circuit-level firewall. A proxy server is
used as a proxy or middleman between clients and servers.
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 21, 39