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: -Transmission mediums lie underneath the physical layer and the physical layer regulates them. Communication channels are another name for transmission medium.
Detailed explanation-2: -Physical transmission media used in communications include twisted-pair cable, coaxial cable, and fiber-optic cable. These cables typically are used within or underground between buildings. Ethernet and token ring LANs often use physical transmission media.
Detailed explanation-3: -Transmission media are of two types: Physical and wireless. Physical Transmission Media: Unshielded Twisted Pair Cable (UTP) Shielded Twisted Pair Cable (STP)
Detailed explanation-4: -The transmission media is available in the lowest layer of the OSI reference model, i.e., Physical layer.