Data Communication and Networking MCQs


Telephone broadcast is an example of _______ transmission.

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

Answer: Option 'B'

​Half duplex


LAN, WAN and MAN are computer networks covering different are Their first alphabets L, W and M respectively stand for 

   A.) Local, Wide and Metropolitan
   B.) Long, Wireless and Metropolitan 
   C.) Local, world and Middle
   D.) Least, Wireless and Maximum

Answer: Option 'A'

​Local, Wide and Metropolitan


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


Which data communication method is used to send data over a serial communication link?

   A.) simplex
   B.) half duplex
   C.) full duplex
   D.) all of these

Answer: Option 'C'

​full duplex


In OSI network architecture, the routing is performed by _______

   A.) a data link layer
   B.) network layer
   C.) transport layer
   D.) session layer

Answer: Option 'B'

network layer

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