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Computer Networks: Data Transmission - Telephone and Cable Networks MCQs
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Computer Networks: Data Transmission - Telephone and Cable Networks MCQs
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25 Questions

1. The Very high-bit-rate Digital Subscriber Line's (VDSAL) downstream rate is
2. The type of signaling that have the same circuit and is used for both signaling and voice communication is called
3. Cable TV networks started to distribute broadcast video signals to locations in the late
4. The distance of the Symmetric Digital Subscriber Line (SDSL) is
5. A switch connects several local loops or trunks and allows a connection between different
6. In Discrete Multitone Technique (DMT), Channel 0 is reserved for
7. HFC stands for
8. V.90 modems with a bit rate of 56,000 bps are called
9. The transmission media that handle the communication between offices is called
10. The V.34bis modem provides a bit rate of 28,800 with a
11. The tasks of data transfer and signaling are separated in modern
12. When the Cable TV is used for data transfer then the downstream band has
13. In downstream sharing, if the address matches then the data are
14. Communication is bidirectional in
15. The theoretical downstream data rate is
16. The cable modem transmission system receives data from the internet and passes them to the
17. Telephone networks use
18. The protocol that is used in the signaling network is called
19. The theoretical upstream data rate in QPSK is
20. The effective bandwidth of a telephone line being used for data transmission is
21. The cable modem for data transmission, is similar to
22. The services of WorldCom, Sprint and Verizon are provided by
23. The designers of ADSL have divided the available bandwidth in to
24. MTP stands for
25. The minimum time required to download one million bytes of information for V32 modem would be

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