Summary

This hour discussed the Network Access layer, the most diverse and arguably the most complex layer in the TCP/IP protocol stack. The Network Access layer defines the procedures for interfacing with the network hardware and accessing the transmission medium. There are many types of LAN architectures and, therefore, many different specifications for the Network Access layer. As an example of how the Network Access layer handles data transmission, this hour took a close look at ethernet.

Ethernet technology is common throughout the mechanized world, but there are many other ways to connect computers. Any networking technology must have some means of preparing data for the physical network; therefore, any TCP/IP technology must have a Network ...

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