While some people may argue that the OSI model is obsolete (due to its conceptual nature) and less important than the four layers of the TCP/IP model, Kumar says that “it is difficult to read ...

"OSI transport services" include layers 1 through ... The most ubiquitous example is the IP protocol in TCP/IP (see TCP/IP). IPX, SNA and AppleTalk are examples of earlier routable protocols ...

2. The seven layers of the OSI model somewhat correspond with the four layers that make up the TCP/IP protocol. The TCP layer packages the data into packets. A header that’s added to the data ...

Ethernet is a layer 2 data link protocol that is widely used with the TCP/IP protocol ... to learn about the protocol layers (see OSI model). The IP layer 3 breaks apart the data being transmitted ...