Which of the following firewall types inspects Ethernet traffic at the MOST levels of the OSI
model?
A.
Packet Filter Firewall
B.
Stateful Firewall
C.
Proxy Firewall
D.
Application Firewall
Explanation:
Stateful inspections occur at all levels of the network.
How is that stateful inspection? Stateful inspection normally goes up to layer 4 of the OSI model. Application layer firewalls normally go all the way up to Layer 7.
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Agree, this answer is wrong
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Q9. Security+ v3. Stateful FW vs App Firewall. Is the right answer B or D?
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Common guys. Simple search proves that this answer is right.
http://searchnetworking.techtarget.com/definition/stateful-inspection
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BTW, part of free PL SY0-401 dumps are available here:
https://drive.google.com/open?id=0B-ob6L_QjGLpcG9CWHp3bXlNTTg
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