PHYSICAL LAYER AND TRANSMISSION MEDIA
TRANSMISSION MEDIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Twisted and coaxial cables
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duplex
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Bluetooth
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wired and wireless
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Detailed explanation-1: -Wired transmission media includes twisted pair cable, Ethernet cable, coaxial cable and optical fibre whereas wireless transmission media includes microwave, radio wave, satellite, infrared, Bluetooth, WIFI etc.
Detailed explanation-2: -Description. Wired communications is any type movement of data between or among devices using a wired connection. Wired connections include Ethernet, fiber-optic cable for phone and other uses, cable for television and Internet systems, public switched telephone network (PSTN), CAN and MOST systems in automotive.
Detailed explanation-3: -Types of wireless transmission media used in communications include infrared, broadcast radio, cellular radio, microwaves, and communications satellites.