What kind of attacks are the lower layers (Physical, Link, Network, Transport) unable to protect against?
A.
Piggyback
B.
Brute force
C.
Denial of service
D.
Content-based
Explanation:
Lower layer protocols do not interact with data contained in the
payload.
Correct answer is D
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A
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Piggybacking isn’t an attack, so D is correct.
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