Data Communication and Networking MCQs


In a synchronous modem, the digital-to-analog converter sends a signal to the _______

   A.) transmission line
   B.) modulator
   C.) terminal
   D.) equalizer

Answer: Option 'D'



Telephone broadcast is an example of _______ transmission.

   A.) Simplex
   B.) Half duplex
   C.) Full duplex
   D.) Automatic

Answer: Option 'B'

​Half duplex


Which of the following techniques is used for allocating capacity on a satellite channel using fixed assignment FDM?

   A.) Amplitude modulation
   B.) Frequency-division multiple access
   C.) Frequency modulation
   D.) Frequency shift keying

Answer: Option 'B'

Frequency-division multiple access


The capability to provide consumers with video-on-demand.

   A.) will-occur by the year 2000.
   B.) depends on the results of field trials
   C.) is based on fiber to the home
   D.) is based on the use of satellites

Answer: Option 'C'

​is based on fiber to the home


Internet address can be used to refer to networks as well as individual hosts. By convention, the network address has hosted with all bits.

   A.) 0
   B.) 1
   C.) combinations of 0 and 1
   D.) none of these

Answer: Option 'A'


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