At which layer of the OSI model does the Internet Protocol Security protocol function?

At which layer of the OSI model does the Internet Protocol Security protocol function?

At which layer of the OSI model does the Internet Protocol Security protocol function?




a. Network layer
b. Presentation layer
c. Session layer
d. Application layer



Answer: A

IPsec validation and encryption function at the network layer of the OSI model. Answers B, C, and D are incorrect because IPsec functions at a lower level of the OSI model.


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