Comptia Security Plus Mock Test Q66

Which of the following is BEST used to break a group of IP addresses into smaller network segments or blocks?

B. Virtualization
D. Subnetting

Correct Answer: D
Section: Network Security

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

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

B: Virtualization allows a single set of hardware to host multiple virtual machines.

C: The goals of NAC are to prevent/reduce zero-day attacks, enforce security policy throughout the network, and use identities to perform access control.

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