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Question Detail

A communication network which is used over regional, national or global area is

  • LAN
  • WAN
  • MAN
  • VAN

Answer: Option B

Similar Questions :

1. X.25 standard specifies

  • technique for start-stop data
  • technique for dial access
  • DTE/DCE interface
  • data bit rate

Answer: Option C

2. Which among following is correct

  • Protocol converters are the same as multiplexers
  • Protocol converters are the same as TDMs
  • Protocol converters are usually not operated in pairs
  • None of above

Answer: Option C

3. Loss in signal power as light travels down the fiber is called

  • Interruption
  • Propagation
  • Scattering
  • Attenuation

Answer: Option D

4. Routing is done on which layer

  • Datalink Layer
  • Session Layer
  • Network layer
  • Transport Layer

Answer: Option C

5. Which performs modulation and demodulation

  • Modem
  • Fiber optic
  • satellite
  • coaxial cable

Answer: Option A

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