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Exam CISSP topic 1 question 263 discussion

Actual exam question from ISC's CISSP
Question #: 263
Topic #: 1
[All CISSP Questions]

An information security administrator wishes to block peer-to-peer (P2P) traffic over Hypertext Transfer Protocol (HTTP) tunnels. Which of the following layers of the Open Systems Interconnection (OSI) model requires inspection?

  • A. Application
  • B. Transport
  • C. Session
  • D. Presentation
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by rdy4u at Oct. 28, 2022, 3:45 p.m.

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629f731
10 months, 2 weeks ago
Selected Answer: A
A. Application layer
upvoted 1 times
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Soleandheel
11 months, 2 weeks ago
A. Application layer P2P traffic is typically classified and controlled at the application layer because P2P protocols often use specific port numbers or patterns of behavior that can be identified by inspecting the content and behavior of the application layer traffic. The other layers of the OSI model, such as the Transport, Session, and Presentation layers, are generally not as directly involved in identifying and controlling P2P traffic as the Application layer.
upvoted 1 times
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Jamati
2 years ago
Selected Answer: A
There's no such thing as P2P over HTTP, except in some obscure IEEE publication somewhere. As for P2P, it can only be blocked in the Application layer.
upvoted 2 times
jackdryan
1 year, 6 months ago
A is correct
upvoted 1 times
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rdy4u
2 years ago
Selected Answer: A
HTTP as an application layer protocol
upvoted 3 times
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A (35%)
C (25%)
B (20%)
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