Learn about the advantages and disadvantages of using TCP/IP model over OSI model for data transmission over networks.

For example, the physical and data link layers of the OSI model are combined into the link layer of the TCP/IP model, which deals with the physical and logical aspects of network transmission.

Physical layer Data-link layer Network layer Transport layer Session layer Presentation layer Application layer Their roles are as follows. Layer 1: Physical layer The lowest layer of the OSI ...

Ethernet is a layer 2 data link protocol that is widely used with the TCP/IP protocol, which resides at layers 3 and 4. To understand network communications, it is essential to learn about the ...

A tutorial on the Open Systems Interconnection (OSI) networking reference model plus tips on how to memorize the seven layers.