BICSI RCDD-001 Exam
BICSI Registered Communications Distribution Designer (Page 4 )

Updated On: 1-Feb-2026

If you are using a building automation system (BAS) protocol operating on RF media at 19,200 b/s in the 868 MHz band, which protocol are you using?

  1. European installation bus
  2. Lon Talk
  3. MODBUS
  4. LonMark
  5. Modicon

Answer(s): A



What type of facility requires a building automation system (BAS) device to be located every 5 sq m (50 sq ft)?

  1. Hotel guest room
  2. Education classroom
  3. Hospital
  4. Mechanical room
  5. Factory

Answer(s): D



In a hallway with normal traffic, ceiling mounted speakers should be placed ________ times the corridor height, minus the ________.

  1. Two; average height of listener's ear
  2. Two; width of corridor
  3. Three; average height of listener's ear
  4. Three width of corridor

Answer(s): A



You are designing a four story retail mall and multiple sound systems within it.
Which system should you design to support general music programming within common retail areas?

  1. Distributed paging
  2. Life safety
  3. Sound masking
  4. Sound reinforcement and playback

Answer(s): D



For design purposes, loudspeakers are rated for a measured sound pressure level (SPL) at:

  1. 1 m (3.3 ft) from the loudspeaker with 1 watt of power input
  2. 1 m (3.3 ft) from the loudspeaker with 2 watts of power input
  3. 3 m (10 ft) from the loudspeaker with 1 watt of power input
  4. 3 m (10 ft) from the loudspeaker with 2 watts of power input

Answer(s): A



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