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

  • Interruption
  • Propagation
  • Scattering
  • Attenuation

Answer: Option D

Similar Questions :

1. 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

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

  • simplex
  • Full duplex
  • Half duplex
  • multiplex

Answer: Option B

3. A network which need human intervention for routing signal is

  • Bus network
  • ring network
  • star network
  • T switched network

Answer: Option D

4. In data transmission the bit coding scheme used to represent a byte is typically

  • EBCDIC
  • SNA
  • ASCII
  • Hexadecimal

Answer: Option C

5. At data link layer error detection is achieved by

  • Cyclic Redundancy Code
  • Hamming codes
  • Bit stuffing
  • Equalization

Answer: Option A

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