TCP/OSI level and Context-aware (SD&A p OSI M)

Question 1

Packet-filter firewall

Answer 1

Network (L3/L4); Stateless

Question 2

Traditional firewall

Answer 2

Network (L3/L4); Stateful

Question 3

NGFW/Zone-based firewall

Answer 3

Network (L2-L7); Stateful

Question 4

ALG application level gateway

Answer 4

L7 for certain application layer control/data protocols; Stateful*

Question 5

Web Application Firewall

Answer 5

L7 only for web applications; Stateful

Question 6

IDS (Except for HIDS)

Answer 6

L3/L4; Stateful

Question 7

IPS

Answer 7

L2-L7; Stateful

Question 8

IDS (HIDS)

Answer 8

L7; Stateful