| 21. | When the transmitting node is ready to transmit data, it senses the transmission medium for idle or busy.
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| 22. | When the transmission medium goes idle, nodes wait for their time slot in accordance with their assigned transmission order.
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| 23. | The interface between the physical layer and the actual transmission medium is called Medium Dependent Interface ( MDI ).
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| 24. | Optical waveguides are used as components in integrated optical circuits or as the transmission medium in optical communication systems.
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| 25. | In telecommunications, a multiplexer is a device that allows a transmission medium to carry a number of separate signals.
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| 26. | What is important is the speed of the transmission medium relative to you and the source of the sound.
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| 27. | A necessary condition for the aforementioned reciprocity property is that the materials in the antenna and transmission medium are ferrite.
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| 28. | In 1832, Woodhaven, a distance of about two miles ( 3 km ), again using water as the transmission medium.
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| 29. | The term transmission medium also refers to a technical device that employs the material substance to transmit or guide waves.
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| 30. | A line code will typically reflect technical requirements of the transmission medium, such as optical fiber or shielded twisted pair.
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