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Computer Networks
Firewall
Q
Which of the following is / are the types of firewall?
AA. Packet filtering firewall
BB. Dual homed gateway firewall
CC. Screen host firewall
DD. Dual host firewall
Correct Answer:
A. A. Packet filtering firewall
Explanation:
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
