PHYSICAL LAYER AND TRANSMISSION MEDIA
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is not a transmission medium?
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telephone lines
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coaxial cables
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modem
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microwave systems
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Explanation:
Detailed explanation-1: -Modem is not a transmission medium. Therefore, the correct option is (c)
Detailed explanation-2: -The commonly used transmission media are wire, free space, and fiber optic cable.
Detailed explanation-3: -Microwave System is not a transmission medium rather than it other options is used for transmission of data over a cables as well as lines.
Detailed explanation-4: -guided media-waves are guided along a solid medium such as a transmission line; unguided media-transmission and reception are achieved by means of an antenna.
There is 1 question to complete.