Computer Network Transmission Media MCQS with answers
Our Computer Network Transmission Media multiple choice Questions with Answers prepares an individual for competitive exams, entrance exams, various tests and interviews. Questions have detailed problem descriptions and solutions with detailed explanations so that one can understand them easily.
2. Bits can be send over guided and unguided media as analog signal by
Digital modulation
Amplitude modulation
Frequency modulation
Phase modulation
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3. Which data communication method is used to transmit the data over a serial communication link?
Simplex
Half-duplex
Full duplex
All of above
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4. The method of communication in which transaction takes place in both directions,but only in one direction at a time, is called ?
Simplex
Four wire circuit
Full duplex
Half-duplex
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5. In communication satellite, multiple repeaters are known as?
Detectors
Modulators
Stations
Transponders
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6. Loss in signal power as light travels down the fiber is called?
Attenuation
Propagation
Scattering
Interruption
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7. Which of the following devices modulates digital signals into analog signals that can be sent over traditional telephone lines?
Router
Gateway
Switch
Modem
8. Which of the following performs modulation and demodulation?
Fiber optics
Switch
Modulator
Modem
9. The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as
Modulation
Demodulation
Synchronizing
Digitising
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10. Which of the following communication modes support two-way traffic but in only one direction at a time?
Simplex
Half duplex
Three-quarters duplex
None of the above
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11. Which of the following is considered a broadband communication channel?
Coaxial cable
Fiber optics cable
Microwave circuits
All of above
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12. Which of the following is not a transmission medium?
Telephone lines
Coaxial cables
Modem
Microwave systems
13. Which of the following is an advantage to using fiber optics data transmission?
Resistance to data theft
Fast data transmission rate
low noise level
All of above
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14. Which of the following communications lines is best suited to interactive processing applications?
Narrow band channel
Simplex lines
Full duplex lines
Mixed band channels
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15. The loss in signal power as light travels down the fiber is called
Attenuation
Progragation
Scattering
Interruption
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