Unformatted text preview: same room. b. The cable is made of three concentric layers: core, cladding, and sheath. c. This free space technology makes it possible to transmit information between two stations that are not within the line of sight of each other. d. Two copper wires twisted around each other in a double helix, usually in plastic sheathing. e. Signals are sent by line of sight transmission via parabolic antennas mounted on towers. f. The cable typically consists of four layers: core, foam/dielectric insulator, metal jacket of braided copper or aluminum, and a polyethylene cover. g. LAN connectivity method that allows laptop users to move freely around an office building. 6. Describe twisted pair cable as a transmission medium. What types exist, and what are their advantages and disadvantages? (about 120 words)...
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- Spring '12
- Twisted pair, Coaxial cable, free space, transmission media