Question

Which of the following is / are the types of firewall?

(a) Packet Filtering Firewall

(b) Dual Homed Gateway Firewall

(c) Screen Host Firewall

(d) Dual Host Firewall

Answer 1

Right option is (a) Packet Filtering Firewall

To elaborate: A firewall can be a PC, a midrange, a mainframe, a UNIX workstation, a router, or combination of these. Depending on the requirements, a firewall can consist of one or more of the following functional components: Packet-filtering router