Network+ Guide to Networks (MindTap Course List)
7th Edition
ISBN: 9781305090941
Author: Jill West, Tamara Dean, Jean Andrews
Publisher: Course Technology
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Expert Solution & Answer
Chapter 5, Problem 1RQ
Program Description Answer
The transmit pair of twisted pair cable uses simplex transmission, receiving pair of the cable also uses simplex transmission and the twisted-pair cable uses Half-duplex transmissions.
Hence, the correct option is “C”.
Expert Solution & Answer
Explanation of Solution
Simplex:
- The communication is unidirectional in simplex mode.
- On a link, one of the two devices will transmit and the other device will receive.
- To send data in a direction, it can use the entire capacity of the channel.
- Examples are keyboards and monitors.
Half Duplex:
- Each device can transmit and receive in half-duplex mode but not at the same time.
- When one device is sending, then the other device can receive and so on.
- So this mode is used in cases when there is a need for communication on both sides but not at the same time.
Explanation for incorrect options:
When an Ethernet NIC was configured by
Hence, the option “A” is wrong.
When an Ethernet NIC was configured by operating system to use half duplex transmission, then the transmit pair of the twisted-pair cable do not use half duplex and the twisted pair cable do not use simplex transmission but the receiving pair in the cable uses simplex transmission
Hence, the option “B” is wrong.
When an Ethernet NIC was configured by operating system to use half duplex transmission, then receiving pair of the cable do not use half duplex and the twisted pair cable do not use simplex transmission but the transmit pair of the twisted-pair cable uses simplex transmission.
Hence, the option “D” is wrong.
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