Practice Exam Questions And Correct

BICSI Registered Communications Distribution Designer (RCDD) Certification Practice Exam Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the primary role of an RCDD in a telecommunications project?
• To terminate fiber optic cables
• To design and integrate structured cabling systems
• To supervise equipment installation
• To perform network troubleshooting

Rationale: The RCDD’s main role is designing and integrating

communications infrastructure systems, not hands-on installation or troubleshooting.

• What document defines the client’s requirements and scope of work?
• Request for Information (RFI)
• Request for Proposal (RFP) 1 / 4

• Shop drawings
• As-built drawings

Rationale: The RFP outlines the project’s scope, technical specifications,

and requirements for proposals.

• Which standard provides guidelines for telecommunications cabling

infrastructure within commercial buildings?

A. IEEE 802.3

• ANSI/TIA-568 series

C. ISO 9001

• NEC Article 250

Rationale: The ANSI/TIA-568 standard defines requirements for structured

cabling systems.

• What is the maximum horizontal cable length in a structured cabling

system according to ANSI/TIA-568?

• 80 meters
• 85 meters
• 90 meters
• 100 meters

Rationale: The standard allows 90 meters of horizontal cable plus 10

meters for patch cords and jumpers, totaling 100 meters. 2 / 4

• What is the primary function of a telecommunications room (TR)?
• Housing building power panels
• Termination and cross-connection of horizontal cabling
• Storing servers
• Managing HVAC systems

Rationale: The TR is dedicated to telecommunications equipment and cable

terminations.

• What is the recommended maximum distance between grounding

electrodes in a telecommunications bonding backbone?

• 10 meters
• 30 meters
• 50 meters
• 100 meters

Rationale: Telecommunications bonding conductors should be bonded at

intervals not exceeding 30 meters per ANSI/TIA-607.

• What type of cable is typically used for backbone cabling between

buildings?

A. UTP

• Fiber optic cable 3 / 4

• Coaxial cable
• Shielded twisted pair

Rationale: Fiber optic cables are preferred for backbone cabling due to

long-distance capability and high bandwidth.

• What is the primary concern when designing a telecommunications

grounding system?

• Cable routing
• Safety and signal reference integrity
• Equipment color coding
• Power supply redundancy

Rationale: Grounding ensures personnel safety and minimizes signal

interference by maintaining reference potential.

• Which area in a building typically houses backbone terminations, cross-

connects, and sometimes routers or switches?

• Work area
• Telecommunications room
• Equipment room
• Entrance facility

Rationale: The equipment room contains backbone and active network

devices; it’s distinct from TRs.

• / 4