4A Flashcards
Firewalls allow a network administrator to divide a network into different network segments, or ____ for overall protection.
zones
When creating your firewall plan you will typically create three security zones:
private zone, demilitarized zone (DMZ), and the public zone.
The following describes which security zone?
The firewall placed in front of the ____ LAN ensures that no traffic from any other network is sent through the firewall to the ____ LAN.
Private Zone
The Local Area Network resides in the ____ zone.
private
Note that this zone could be called the private zone, _____, or _____.
private LAN or intranet zone
What does DMZ stand for?
Demilitarized Zone
The DMZ is an area between ___ ___ (typically referred to as external and internal firewalls) that allows selected traffic from the Internet to pass through the external firewall into systems within the DMZ.
two firewalls
The _____ zone is any network not controlled by the network administrator
public
The best and most popular example of a public zone is the ____.
internet
As a firewall ____, you will control which traffic comes from the public zone to the intranet zone.
administrator
What are some other common security zones?
- Extranet
- Wireless
- Guest
The following describes which common security zone?
An ____ includes servers that you want to make accessible to selected organizations via the Internet or other public zones.
extranet
The following describes which common security zone?
The _____ network could be placed in a network zone of its own, which gives the firewall administrator the opportunity to control which zones the ____ client can access. For example, you may not want the ____ network to access the intranet or extranet zones.
Wireless
The following describes which common security zone?
The ____ zone is designed for visitors to your office location. Visitors typically do not need access to the private network or even the extranet zone; they typically just need Internet access to check
email and surf the Internet. You can create a ____ zone that has access to the public Internet zone but does not have access to any of the other zones.
Guest
The purpose of segmenting your network is so you can control communication ____ ___ ____.
between the zones