31. Which of the following is considered a broad band communication channel ?

1. 1. Co-axial cable

   
   
   

   2. Fibre optic cable

   
   
   

   3. Microwave circuits

   
   
   

   4. All of the above

   
   
   

   5. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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32. Hub is associated with ......... network

1. 1. bus

   
   
   

   2. ring

   
   
   

   3. star

   
   
   

   4. mesh

   
   
   

   5. All of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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33. Multiplexing involves ..... path and ....... channel.

1. 1. one, one

   
   
   

   2. one, multiple

   
   
   

   3. multiple, one

   
   
   

   4. multiple, multiple

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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34. How many bits are there in the ethernet address ?

1. 1. 64 bits

   
   
   

   2. 48 bits

   
   
   

   3. 32 bits

   
   
   

   4. 16 bits

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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35. How many layers are in the TCP/IP model ?

1. 1. 4 layers

   
   
   

   2. 5 layers

   
   
   

   3. 6 layers

   
   
   

   4. 7 layers

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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