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BICSI RCDD-002 Exam
BICSI Registered Communications Distribution Designer - RCDD (Page 5 )

Updated On: 9-Feb-2026
Page 5 of 74
PDF with 361 Questions

The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is the signal-to-noise ratio (SNR) (dB) at the receiver input?

  1. 10 dB
  2. 30 dB
  3. 40 dB
  4. 60 dB
  5. 100 dB

Answer(s): B



Which of the following correctly lists the lowest frequency band to the highest frequency band?

  1. MF, HF, VHF, UHF
  2. UHF, VHF, HF, MF
  3. HF, MF, UHF, VHF
  4. VHF, UHF, MF, HF
  5. HF, MF, UHF, VHF

Answer(s): A



The public telephone system is an example of a __________ system.

  1. Simplex
  2. Half-duplex
  3. Full-duplex
  4. Purely analog
  5. Purely digital

Answer(s): C



Which is an advantage of stranded conductors over solid conductors?

  1. Less costly
  2. Simpler terminations
  3. Better high frequency performance
  4. More flexible

Answer(s): D



If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is:

  1. 3 dB
  2. 20 dB
  3. 30 dB
  4. 40 dB
  5. 1000 dB

Answer(s): C






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