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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. In data over cable system interface specification, the downstream communication has only one
2. The Asymmetric Digital Subscriber Line (ADSL), Very high-bitrate Digital Subscriber Line (VDSL), High-bit-rate Digital Subscriber Line (HDSL) and Symmetric Digital Subscriber Line (SDSL) is referred to as
3. The cable modem transmission system receives data from the internet and passes them to the
4. The channels can be shared in an area with many subscribers with the help of
5. The theoretical upstream data rate in QPSK is
6. If a subscriber needs to provide free connections for other subscribers, it can request the
7. In Discrete Multitone Technique (DMT), Channel 1-5 is used for
8. The standard V92 can upload data at the rate of
9. Communication in the traditional cable TV network is
10. The modulation technique that has become standard for Asymmetric Digital Subscriber Line (ADSL) is called the
11. The tasks of data transfer and signaling are separated in modern
12. The theoretical downstream data rate is
13. The Very high-bit-rate Digital Subscriber Line's (VDSAL) downstream rate is
14. The designers of ADSL have divided the available bandwidth in to
15. Switched/56 service is the digital version of an
16. The transmission media that handle the communication between offices is called
17. The downstream data occupies
18. The effective bandwidth of a telephone line being used for data transmission is
19. The coaxial cable has a bandwidth that ranges from
20. When the Cable TV is used for data transfer then the downstream band has
21. Cable TV networks started to distribute broadcast video signals to locations in the late
22. The services of WorldCom, Sprint and Verizon are provided by
23. Communication is bidirectional in
24. The upstream data bandwidth is
25. DSL stands for