A firewall rule that filters on the protocol field of an IP packet is acting on which layer of the OSI reference model?
A. network layer
B. application layer
C. transport layer
D. session layer
Answer: A
Which layer of the OSI model is referenced when utilizing http inspection on the Cisco ASA to filter Instant Messaging or Peer to Peer networks with the Modular Policy Framework?
A. application layer
B. presentation layer
C. network layer
D. transport layer
Answer: A
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