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BICSI RCDD-002 Exam
BICSI Registered Communications Distribution Designer - RCDD (Page 8 )

Updated On: 9-Feb-2026
Page 8 of 74
PDF with 361 Questions

What type of redundancy provides two additional units, modules, paths, or systems in addition to the MINIMUM required to satisfy the base requirement.

  1. N
  2. N+1
  3. N+2
  4. 2N
  5. 2(N+1)

Answer(s): C



Within a data center, if you have dual path connectivity between the primary entrance room and secondary entrance room, in addition to dual connectivity between these two rooms and the main distribution and secondary distribution areas, what tier level would this infrastructure design represent?

  1. Tier I
  2. Tier II
  3. Tier III
  4. Tier IV
  5. Tier V

Answer(s): D



You have been asked to spec the physical security requirements related to the protection of assets for a new data center. The most common potential for damage categories you have considered include temperature, gases, organisms and projectiles. The one category that you have missed is:

  1. Aircraft flight paths
  2. Proximity to high speed rail links
  3. Liquids
  4. Parking lot exits
  5. Exposure to extreme winds

Answer(s): C



It is important to keep all underfloor cabling systems very neat and orderly. Cabling systems must be managed to ensure that air flow is not impeded by the height or volume of underfloor cabling. Keeping copper communications cabling properly separated from is one design approach. To resolve this:

  1. Power cabling should be routed in the space below the floor in either hot or cold aisle
  2. Route the copper cables in the cold aisle and route the power cabling in the hot aisle
  3. Power cabling should be routed in the overhead space
  4. Route the copper cables in the hot aisle and route the power cabling in the cold aisle
  5. Copper cabling can be routed in either hot or cold aisles without any consequence in performance of the network

Answer(s): D



You are designing a cabling containment system installed overhead in a new data center. The main or prime purpose of the system will be to manage fiber optic cabling between cabinets. You have a choice of designs of the containment system.
In view of the prime purpose of containment system, your first choice of design will be one that:

  1. Has a bottom design with a web spacing of less than 203 mm (8 in)
  2. Has a bottom design with a web spacing of less than 152 mm (6 in)
  3. Is manufactured with a soft cloth type material
  4. Has a solid bottom design
  5. The design is not important as long as the client pre approves the manufacturer

Answer(s): D






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