Comptia Security Plus Mock Test Q58

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

A. Firewall
B. Switch
C. Load balancer
D. Proxy

Correct Answer: A
Section: Network Security

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