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What is 3physical Layer about?

The document provides an overview of data communications and networking, focusing on the physical layer, line configurations, and various network topologies such as mesh, star, tree, bus, and ring. It discusses the advantages and disadvantages of each topology, as well as transmission media including twisted-pair, coaxial, and optical fiber cables. Additionally, it covers unguided media or wireless communication methods, including terrestrial microwave and satellite communication.

Author

surawich.lue

Language

EN