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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Computers
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Telephone Lines
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Microwave Links
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Satellites
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Detailed explanation-1: -Explanation: Double duplex is not a legitimate channel for transmission in computer network.
Detailed explanation-2: -Data communication between different devices are broadly categorised into 3 types: Simplex communication, Half-duplex communication, and Full-duplex communication. It is a one way or unidirectional communication between two devices in which one device is sender and other one is receiver.
Detailed explanation-3: -There are two methods used to transmit data between digital devices: serial transmission and parallel transmission. Serial data transmission sends data bits one after another over a single channel. Parallel data transmission sends multiple data bits at the same time over multiple channels.