Chapter 2. Exploring the Network Layers
This Chapter will give you an overview of networking terms and concepts of the TCP/IP protocol suite against the backdrop of Layers 1–4 of the Open System Interconnection (OSI) model. The following topics are covered:<objective>
Physical Layer—The physical layer covers the mechanical and electrical properties of the physical medium with respect to copper and fiber cabling specifications, binary signaling, and encoding technologies.</objective> <objective>
Data Link Layer—The Ethernet data link layer is used predominantly in content networking implementations. Ethernet data ...