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Which performs modulation and demodulation

  • Modem
  • Fiber optic
  • satellite
  • coaxial cable

Answer: Option A

Similar Questions :

1. Communication mode which supports data in both directions at the same time is called

  • simplex
  • Full duplex
  • Half duplex
  • multiplex

Answer: Option B

2. First network which was made available

  • IBMm Token Ring 1985
  • Novell Netware
  • IBM PC Network 1984
  • DECNet 1980

Answer: Option D

3. X.25 standard specifies

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

Answer: Option C

4. Frequency range 300 kHz to 3 MHz is used for

  • AM radio transmission
  • FM radio transmission
  • TV radio transmission
  • None of above

Answer: Option A

5. What is public IP address ?

  • Leased from an ISP that allows or enables direct Internet communication
  • Used to coneect with interal LAN infra
  • IP which is used only on server where we host websites
  • None of above

Answer: Option A

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