PHYSICAL LAYER AND TRANSMISSION MEDIA
TRANSMISSION MEDIA
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Foil shielded cable
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Coaxial cable
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Twisted pair cable
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Fiber optic cable
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Detailed explanation-1: -Coaxial cable is a type of copper cable specially built with a metal shield and other components engineered to block signal interference. A coaxial–or coax–cable is primarily used by cable TV companies to connect their satellite antenna facilities to customer homes and businesses.
Detailed explanation-2: -Most coaxial cables have a characteristic impedance of either 50, 52, 75, or 93 . The RF industry uses standard type-names for coaxial cables. Thanks to television, RG-6 is the most commonly used coaxial cable for home use, and the majority of connections outside Europe are by F connectors.
Detailed explanation-3: -Telephone companies, cable operators commonly use coaxial cable, and internet providers worldwide to distribute data, voice, and video signals to people. It’s also used both for residential and commercial properties.