Although literally hundreds of variations exist,four architectural implementations of firewalls are especially common: packet filtering routers,screened-host firewalls,dual-homed host firewalls,and screened-subnet firewalls.
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Question

Quizplus · Accepted Answer

The statement is true as the sentence describes the four common architectural implementations of firewalls.

Although Literally Hundreds of Variations Exist,four Architectural Implementations of Firewalls