TCP/IP Network Access Layer
- Network Access Layer
- The Network Access Layer is the layer at which data is transmitted and received across the physical network.
A network interface device, usually a line card, adaptor or port is used to connect the physical wires or fibers to the computer so that it can communicate with other computers. This network interface is assigned an address from the Internet Layer so that it can communicate with devices on other networks.
Several protocols serve various functions at the Network Access layer, including:
- DHCP or BootP
- ARP & RARP
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