Which statements are true about the TCP/IP model?

An agency of the Department of Defense (DoD) developed the TCP/IP model. Unlike the OSI model, the TCP/IP model is a conceptual model. The TCP/IP model has seven layers as compared to four layers in the OSI model. While the topmost layer is the Application Layer, the bottommost layer is the Link Layer.

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Answer:

TCP/IP Reference Model is a four-layered suite of communication protocols. ... TCP stands for Transmission Control Protocol and IP stands for Internet Protocol. The four layers in the TCP/IP protocol suite are − Host-to- Network Layer −It is the lowest layer that is concerned with the physical transmission of data.