EC-Council
412-79V8 · Question #75
412-79V8 Question #75: Real Exam Question with Answer & Explanation
The correct answer is D. Network layer. See the full explanation below for the reasoning.
Question
Packet filtering firewalls are usually a part of a router. In a packet filtering firewall, each packet is compared to a set of criteria before it is forwarded. Depending on the packet and the criteria, the firewall can: i)Drop the packet ii)Forward it or send a message to the originator At which level of the OSI model do the packet filtering firewalls work?
Exhibit
Options
- AApplication layer
- BPhysical layer
- CTransport layer
- DNetwork layer
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