INTRODUCTION
PROTOCOL LAYERING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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converts bits into an effect that can be sent e.g. light / radio signal
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transport layer
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applications layer
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physical layer
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data link layer
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Explanation:
Detailed explanation-1: -Data link layer is responsible for converting data stream to signals bit by bit and to send that over the underlying hardware. At the receiving end, Data link layer picks up data from hardware which are in the form of electrical signals, assembles them in a recognizable frame format, and hands over to upper layer.
Detailed explanation-2: -The Physical Layer focuses on converting digital data (bits and bytes) into a digital signal, and sending and receiving digital signals. A digital signal is simply an encoding of digital data for transmission in the electromagnetic spectrum. The digital signal is then sent (transmitted) across the transmission medium.
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