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Which of the following network design elements would MOST likely be recommended?

A security analyst needs to ensure all external traffic is able to access the company’s front-end servers but
protect all access to internal resources. Which of the following network design elements would MOST
likely be recommended?

PrepAway - Latest Free Exam Questions & Answers

A.
DMZ

B.
Cloud computing

C.
VLAN

D.
Virtualization

Explanation:
A demilitarized zone (DMZ) is an area of a network that is designed specifically for public users to access.
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: Cloud computing is a popular term that refers to performing processing and storage elsewhere, over a
network connection, rather than locally.C: A virtual local area network (VLAN) is a hardware-imposed network segmentation created by switches.
VLANs are used for traffic management. VLANs can be used to isolate traffic between network segments.
D: Virtualization offers several benefits, such as being able to launch individual instances of servers or
services as needed, real-time scalability, and the ability to run the exact OS version required for a certain
application.

Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 23, 37, 39


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