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Exam CCSP topic 1 question 162 discussion

Actual exam question from ISC's CCSP
Question #: 162
Topic #: 1
[All CCSP Questions]

Which OSI layer does IPsec operate at?

  • A. Network
  • B. transport
  • C. Application
  • D. Presentation
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Suggested Answer: A 🗳️
A major difference between IPsec and other protocols such as TLS is that IPsec operates at the Internet network layer rather than the application layer, allowing for complete end-to-end encryption of all communications and traffic.
by akg001 at May 19, 2022, 12:34 p.m.

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MaciekMT
1 day, 8 hours ago
Selected Answer: B
Hold it. I'm confused now as Most IPsec implementations use UDP as the primary transport protocol, which makes it Transport layer and not Network
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MaciekMT
1 day, 9 hours ago
Selected Answer: A
IPsec operates at the Network layer (Layer 3) of the OSI model. It secures IP communications by authenticating and encrypting each IP packet, making it a critical component for protecting data in transit across IP networks.
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akg001
3 months ago
Selected Answer: A
A. Network
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