CompTIA Security Plus Mock Test Q186

The common method of breaking larger network address space into smaller networks is known as:

A. subnetting.
B. phishing.
C. virtualization.
D. packet filtering.

Correct Answer: A
Section: Network Security

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

Incorrect Answers:
A: Phishing is a type of social-engineering broadcast attack that concentrates on pilfering credentials or identity data from possible targets.
B: Virtualization allows a single set of hardware to host multiple virtual machines.
C: Packet filtering is used to regulate network access by monitoring outgoing and incoming packets and allowing them to pass or be blocked based on the source and destination
Internet Protocol (IP) addresses, protocols and ports.

References:
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 39, 40, 120
https://www.techopedia.com/definition/4038/packet-filtering