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Computer Networks: Bandwidth Utilization: Multiplexing and Spreading MCQs
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Computer Networks: Bandwidth Utilization: Multiplexing and Spreading MCQs
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25 Questions

1. Wavelength division multiplexing is same as
2. Multilevel multiplexing is a technique used when the data rate of an input line is
3. How many types of multiplexing techniques are
4. In synchronous TDM, the data rate of the link is n times faster and the unit duration is
5. The technique that uses M different carrier frequencies that are modulated by the source signal is called
6. Multiplexing combines signals from several sources to achieve
7. In synchronous Time-Division Multiplexing (TDM), the data rate of the link is faster
8. The multiplexing technique, in which each input connection has an allotment in the output even if it is not sending data is
9. In statistical Time-Division Multiplexing (TDM), a block of data is usually many bytes while the address is just
10. Digital signal service is created by TDM through a hierarchy of digital signals and is implemented by:
11. If the bandwidth of the link is greater than the bandwidth needed, the bandwidth is
12. Multilevel multiplexing, multiple-slot allocation and pulse stuffing techniques are used to improve
13. A special band is assigned to Amplitude Modulation (AM) radio from
14. The two techniques to spread the bandwidth are
15. The voice channels of the E-4 is
16. The frequency difference between the Wavelength-Division Multiplexing (WDM) and Frequency-Division Multiplexing (FDM) is
17. In statistical Time-Division Multiplexing (TDM), only when an input line has a slot's worth of data to send is given a slot in the
18. TDM is a digital multiplexing technique for combining several low-rate channels into
19. WDM is an analog multiplexing technique to combine
20. The synchronous Time-Division Multiplexing (TDM) is not efficient because of
21. DSSS technique expands the bandwidth of a signal by replacing each data bit with
22. High data rate capability of fiber optic cable can be achieved by
23. TDM is used to combine
24. The multiplexing technique that is used when the data rate of an input line is a multiple of others is called
25. DS-1 to DS-4 is implemented by

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