3-5

Question 1

typically web, email and FTP servers are located within the

Answer 1

DMZ

Question 2

a firwall running on a server with at least 2 network interfaces

Answer 2

dual homed hosts

Question 3

most firewalls today are implemented in actual routers, rather then

Answer 3

servers

Question 4

a dual-homed host configuration is simply an expanded version of the _________. meaning its also contingent on the underlying OS

Answer 4

network host firewall

Question 5

even the simplest routers today have some kind of _______, with the ost common type being packet filtering

Answer 5

firewall

Question 6

another valyulable way to impliment reouter based firewalls is between __________ of a network

Answer 6

subsections

Question 7

biggest advantage to router based firewall is ___________

Answer 7

ease of setup

Question 8

this is a combination of bastion host and a screening router is used. this combo creates a dual forwall solution that is effective at filtering traffic. each firewall can be different.

Answer 8

screened host

Question 9

a screened host neds only one netowrk interface and does not require a separate subnet between the application __________

Answer 9

gateway and the router

Question 10

the flaw in a screened host firwall is that a misconfiguration in one firewall can ____________

Answer 10

affect the other

Question 11

packet filters work at the netowrk layer of the OSI model and simply block certain packets based on criteria such as ________

Answer 11

protocol, port number or source address

Question 12

using proxy server

Answer 12

using proxy server