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TIA Convergent Network Technologies Questions 446–450 (page: 91)

Updated On: 9-Feb-2026

Which is an advantage of fiber optic over other transmission media?

  1. Cost
  2. Ease of installation
  3. Ease of management
  4. Immunity to signal interference

Answer(s): D



Which of the following is NOT part of a fiber optic cable?

  1. Highly refractive cladding
  2. Opaque plastic sheath
  3. Glass or plastic core
  4. Copper shielding

Answer(s): D



The glass core of a fiber optic cable carries data with what type of signal?

  1. Electrical
  2. Light pulses
  3. Radio waves
  4. Microwaves

Answer(s): B



A PC that uses a cordless mouse is an example of which type of transmission media?

  1. Infrared
  2. Optical fiber
  3. Microwave
  4. Radio frequency
  5. Answer pending.

Answer(s): E



With infrared transmission, the sending and receiving devices must typically reside in the same room because:

  1. Radiation is a concern.
  2. The signal can usually carry only up to 5 feet.
  3. Obstacles such as walls would block the signal.
  4. The beam is so diffuse that too many devices could be affected.
  5. Answer pending.

Answer(s): E



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