A demilitarized zone is:

A.
a part of a network perfectly safe from hackers

B.
a militarized network segment

C.
a firewall

D.
the network segment between the Internet and a private network

Explanation:
A demilitarized zone (DMZ) is a network segment located between the protected private network andunprotected public network (typically being the Internet).
Incorrect Answers:
A: A demilitarized zone is not safe from hackers as it connected to the Internet.
B: It is a demilitarized, not a militarized, zone.
C: A demilitarized zone is not a firewall. A demilitarized zone is shielded by two firewalls: one facing the
Internet, and one facing the private network.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 628