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Networking   Computer networking Key Data communications Terminology Session: communication Dialog between network users or applications Node: A network attached device. Link: connect adjacent Nodes. Path: end to end route within anetwork. Curcuit: The Conduit over which data travels. Protocol: Set of rules governing communication. Transmission Media/Link/Channel This is necessary to have pathway OR media to transmitted data from one point to other point. The term media mean the device that transmits voice or data from a point to other point. What is Guided Media: In guided media message flow through physical media like cables Types of cables:   (1)-what is   Coaxial cable? Coaxial cable has copper core {inner conductor} with an outer cylindrical shell for insulation (2)-   what is Twisted Pair Cables? Twisted pair wire is most useable wire. Here two types of twisted pair cable are discussed like shielded and unshielded twi...