Free RCDD-001 Exam Braindumps
BICSI Registered Communications Distribution Designer Questions 86–90 (page: 19)

Updated On: 10-Feb-2026

Exhibit:



This diagram illustrates a ______________campus backbone design.

  1. Hierarchical star
  2. Ring topology
  3. Bus topology
  4. Inverted star
  5. Collapsed ring

Answer(s): A



Exhibit:



This diagram illustrates an example of a:

  1. Multiple one level backbone designs
  2. Multiple hierarchical level campus backbone design
  3. Poorly designed single level campus backbone design
  4. Well laid out single level campus backbone design
  5. Multi level campus design ready for an easy separation into 3 single level designs

Answer(s): B



When designing a connection to an outlying building you decide to choose a physical ring. Your primary reason for considering a physical ring is:

  1. You have easy access to an existing pathway
  2. The design is quick and easy to install
  3. The campus suits this design
  4. The design is cost effective
  5. The physical ring provides a redundant cable path for disaster recovery

Answer(s): E



In reviewing your client's network needs for today and 5 years into the future, you note their current specs call for a 1Gb/s network within a campus environment, with little or no possibility of any increased bandwidth demands until they move to their planned future site. The building is not large, and the cable lengths will not exceed 550 m (1804 ft). Your recommendation for the fiber to be installed in the backbone is:

  1. OM1 fiber
  2. OM2 fiber
  3. OM3 fiber
  4. OM1, OM2, or OM3 will work
  5. OS1 equipped with attenuators

Answer(s): B



You are reviewing a building backbone design with a vertically aligned telecommunications room (TR). In the spec you note in a footnote with details that the slots at one end of the telecommunications room (TR) must be flush with the floor and the sleeves provide at the end of the telecommunications room (TR) must also be flush. In your meeting with the electrical engineering firm that has provided the spec, you make the comment that according to best practices, the MINIMUM that slots and sleeves must extend above the finished floor are:

  1. 25 mm (1 in) for slots and 51 mm (2 in)
  2. 25 mm (1 in) for slots and 25 mm (1 in)
  3. 51 mm (2 in) for slots and 25 mm (1 in)
  4. 51 mm (2 in) for slots and 51 mm (2 in)
  5. 64 mm (2 1/2 in) for slots and 64 mm (2 1/2 in)

Answer(s): B



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