BICSI RCDD-001 Exam Questions
BICSI Registered Communications Distribution Designer (Page 5 )

Updated On: 24-Feb-2026

A video camera has a coaxial cable output. The video signal is to be distributed to devices that have balanced twisted pair inputs. The transition between these two different transmission media can be accomplished by using a:

  1. Balun
  2. Converter
  3. Modulator
  4. Cross connect
  5. Transceiver

Answer(s): A



Optical transmitters are typically one of the following types EXCEPT:

  1. Light-emitting diode (LED)
  2. Short wavelength laser compact disc (CD)
  3. Vertical cavity surface emitting laser (VCEL)
  4. Laser diode (LD)
  5. Overfilled launch (OFL)

Answer(s): E



All of the following are nominal wavelengths for laser light sources EXCEPT:

  1. 700 nm
  2. 850 nm
  3. 1300 nm
  4. 1310 nm
  5. 1550 nm

Answer(s): A



A SONET OC-1 channel can carry 672 voice signals and has a data rate of 51.84 Mbps. A SONET OC-48 channel can carry 32,256 voice channels.
What MINIMUM data rate is required for the OC-48 channel?

  1. 155 Mbps
  2. 622 Mbps
  3. 2.5 Gbps
  4. 5 Gbps
  5. 10 Gbps

Answer(s): C



Wave division multiplexing (WDM) is most similar to:

  1. Amplitude modulation
  2. Frequency modulation
  3. Time division multiplexing
  4. Frequency division multiplexing
  5. Carrier sense multiple access with collision detection (CSMA/CD)

Answer(s): D






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