PHYSICAL LAYER AND TRANSMISSION MEDIA
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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line coding
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channel coding
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modulation
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all of the mentioned
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Detailed explanation-1: -Explanation: The physical layer is responsible for line coding, channel coding and modulation that is needed for the transmission of the information.
Detailed explanation-2: -Physical layer is the lowest layer of the OSI reference model. It is responsible for sending bits from one computer to another. This layer is not concerned with the meaning of the bits and deals with the setup of physical connection to the network and with transmission and reception of signals.
Detailed explanation-3: -1. Physical. The lowest layer of the OSI model is concerned with data communication in the form of electrical, optic, or electromagnetic signals physically transmitting information between networking devices and infrastructure.
Detailed explanation-4: -Answer: Option 1: A, B, C, D, E, F Explanation: All statements are true. The Physical layer is used to transfer the data in terms of raw bits instead of logical data packets through a physical link between the nodes of the network. These bits are co…