What are the functions of the network layer in the TCP/IP model? Explain.
Answers
Answer: read explaintion
Explanation:
The TCP/IP model was developed prior to the OSI model.
The TCP/IP model is not exactly similar to the OSI model.
The TCP/IP model consists of five layers: the application layer, transport layer, network layer, data link layer and physical layer.
The first four layers provide physical standards, network interface, internetworking, and transport functions that correspond to the first four layers of the OSI model and these four layers are represented in TCP/IP model by a single layer called the application layer.
TCP/IP is a hierarchical protocol made up of interactive modules, and each of them provides specific functionality.
Here, hierarchical means that each upper-layer protocol is supported by two or more lower-level protocols.
Answer:
A network layer is the combination of the Physical layer and Data Link layer defined in the OSI reference model. It defines how the data should be sent physically through the network. This layer is mainly responsible for the transmission of the data between two devices on the same network.
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