211. When the Cable TV is used for data transfer then the downstream band has a. 11 channels b. 22 channels c. 33 channels d. 44 channels
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211. | When the Cable TV is used for data transfer then the downstream band has |
a. | 11 channels |
b. | 22 channels |
c. | 33 channels |
d. | 44 channels |
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Solved in 2 steps
- 11)Which type of cable can be used to avoid EMI and RFI? a. UTP b. Coaxial c. STP d. Fiber54. The local loop has _______ cable that connects the subscriber telephone to the nearest end office. a. twisted-pair b. coaxial c. fiber-optic d. none of the above9. Which of the following need(s) to be provided by the lessee in a dark fiber lease?A. Cable splicesB. WDM transceiversC. Transceivers, cable, and splicesD. The fiber optic cable
- QUESTION 17 Twisted-pair cooper wire is still present in computer networks. True False QUESTION 18 With Cable Internet access, each subscriber gets more downstream bandwidth than upstream bandwidth. True False1. Which transmission media has the highest transmission speed in a network? a. coaxial cable b. twisted pair cable c. optical fiber d. electrical cable91. Which of the following is considered a broad band communication channel? a. coaxial cable b. fiber optics cable c. microwave circuits d. all of the above
- 217. Communication in the traditional cable TV network is a. bidirectional b. unidirectional. c. omnidirectional d. None287. What would be the minimum bandwidth of Manchester and differential Manchester? a. 4 times that of NRZ b. 4times that of RZ c. 2times that of NRZ d. 8times that of RZUsing any two different forms of transmission as a comparison (twistted piars, coxial cable, microwave, satalitte, fibre optical).
- 107. What are the data transmission channels available for carrying data from one location to another? a. Voiceband b. Broadband c. Narrowband d. All of the aboveCOMPUTER NETWORKS, PLEASE ANSWER IT IF YOU ARE EXPERT ON THIS TOPIC. 100 stations use a wireless communications channel bandwidth of 1 MHz, in band 400MHz-401MHz. * Assuming all 100 stations use FDM (Frequency Division Multiplexing), what is the usual bandwidth allocation for each station? * Assuming all 100 stations use CDMA (Code Division Multiple Access), what is the usual bandwidth allocation for each station?11. Which of the following is considered a broadband communication channel? a. coaxial cable b. fiber optics cable c. microwave circuits d. all of above