The application layer of the TCP/IP model performs the functions of what three layers of the OSI model? (Choose three.)

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Question:
The application layer of the TCP/IP model performs the functions of what three layers of the OSI model? (Choose three.)

physical
session
network
presentation
data link
transport
application

Explanation: The network access layer of the TCP/IP model performs the same functions as the physical and data link layers of the OSI model. The internetwork layer equates to the network layer of the OSI model. The transport layers are the same in both models. The application layer of the TCP/IP model represents the session, presentation, and application layers of the OSI model.

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