CORRECT TEXT
Fill in the blank with the appropriate term. A ______________ is a physical or logical subnetwork
that adds an additional layer of security to an organization’s Local Area Network (LAN).
Answer: demilitarized zone
Explanation:
A demilitarized zone (DMZ) is a physical or logical subnetwork that contains and exposes external
services of an organization to a larger network, usually the Internet. The purpose of a DMZ is to
add an additional layer of security to an organization’s Local Area Network (LAN); an external
attacker only has access to equipment in the DMZ, rather than the whole of the network. Hosts in
the DMZ have limited connectivity to specific hosts in the internal network, though communication
with other hosts in the DMZ and to the external network is allowed. This allows hosts in the DMZ
to provide services to both the internal and external networks, while an intervening firewall controls
the traffic between the DMZ servers and the internal network clients. In a DMZ configuration, most
computers on the LAN run behind a firewall connected to a public network such as the Internet.