PHYSICAL LAYER AND TRANSMISSION MEDIA
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Physical
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Network
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Transport
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Application
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Detailed explanation-1: -The transmission media is available in the lowest layer of the OSI reference model, i.e., Physical layer.
Detailed explanation-2: -The physical layer defines the means of transmitting a stream of raw bits over a physical data link connecting network nodes. The bitstream may be grouped into code words or symbols and converted to a physical signal that is transmitted over a transmission medium.
Detailed explanation-3: -Twisted Pair Cable. Twisted pair cables have been around for a long time. Coaxial Cables. The coaxial cables have a central copper conductor, surrounded by an insulating layer, a conducting shield, and the outermost plastic sheath. Optical Fibers. Wireless or Unguided Transmission Media. 25-Jan-2022