Transmission Systems MCQs – Chapter 4 DAE

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1. The purpose of a transmission system is to provide a ------------- between two distant points or nodes.





2. In ------------ modulation the input signal directly varies the frequency of the carrier.





3. In -------------- the output signal steps between two or more phases in response to the binary modulating signal.





4. Loss of power, due to the absorption, scattering and reflections of the signal within the transmission medium, is known as --------------.





5. In -------------- propagation through the air, the radio signal follows a straight line of sight between antennas.





6. The cost per circuit carried ---------- as the capacity of the transmission system increases.





7. The time frame length of a PCM frame is ------------- ms





8. To indicate the start of the TDM frame the ----------- is used.





9. The tributaries are packed into a basic container, which is known as the --------- in SDH.





10. -------- is broadband version that uses ATM over the PON system to provide broadband service.





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