In the tcp/ip model, application layer combines the responsibilities of the application, presentation, and session layers from the osi model.
The TCP/IP Reference Model is a four-layered communication protocol suite. It was created in the 1960s by the DoD (Department of Defense).
It is named after the two primary protocols used in the model, TCP and IP. TCP is an abbreviation for Transmission Control Protocol, and IP is an abbreviation for Internet Protocol.
The application layer in the tcp/ip model combines the responsibilities of the osi model's application, presentation, and session layers.
Thus, the correct option is b.
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Your question seems incomplete, the missing options are:
a. Internet
b. Application
c. Transport
d. Link
