Comptia Security Plus Mock Test Q63

Which of the following would allow the organization to divide a Class C IP address range into several ranges?

A. DMZ
B. Virtual LANs
C. NAT
D. Subnetting

Correct Answer: D
Section: Network Security

Explanation:
Subnetting is a dividing process used on networks to divide larger groups of hosts into smaller collections.

Incorrect Answers:
A: 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.

B: A virtual local area network (VLAN) is a hardware-imposed network segmentation created by switches.

C: NAT serves as a basic firewall by only allowing incoming traffic that is in response to an internal system’s request.

References:
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 39, 40