Registered Communications Distribution Designer (RCDD-001) Free Practice Exam Questions

19 real Registered Communications Distribution Designer (RCDD-001) exam questions with answers and AI explanations. BICSI certification prep — page 1 of 2.

  1. Question 1: Cables are installed in a ceiling in a straight line. The ceiling run is 60 m (200 ft) in length. What is the MINIMUM number of J-hooks required to support the…
  2. Question 3: Which characteristic is an advantage of copper based media over optical fiber cable?
  3. Question 4: If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is:
  4. Question 5: 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 ra…
  5. Question 6: "A single outlet utilizing a dedicated phase, neutral, and ground conductor" is the definition for which of the following?
  6. Question 7: An installation crew is pulling an optical fiber cable into a riser. The cable has an outside diameter of 25 mm (1 in). As the cable is being pulled off the re…
  7. Question 8: You have determined that the equipment room (ER) you are designing will be the minimum size of 15 sq m (160 sq ft) and is servicing 80 but architectural change…
  8. Question 9: What type of material does NOT support combustion even under accelerated conditions?
  9. Question 10: A work breakdown structure is:
  10. Question 11: In a hallway with normal traffic, ceiling mounted speakers should be placed ________ times the corridor height, minus the ________.