BICSI RCDD-002 BICSI Registered Communications Distribution Designer – RCDD Online Training
BICSI RCDD-002 Online Training
The questions for RCDD-002 were last updated at Apr 13,2025.
- Exam Code: RCDD-002
- Exam Name: BICSI Registered Communications Distribution Designer - RCDD
- Certification Provider: BICSI
- Latest update: Apr 13,2025
During a site survey you notice that several CRT displays in the vicinity of the engineering copy center have sporadic visual distortion.
What is the MOST likely cause?
- A . Electromagnetic interference (EMI)
- B . Radio frequency interference (RFI)
- C . (EMC)
- D . Fast transients
- E . Electromagnetic discharge (ESD)
You are placing Category 6 unshielded twisted-pair (UTP) in cable tray down a hallway past the elevator mechanical room.
What action should you take to avoid effects of electromagnetic interference (EMI)?
- A . Provide a minimum separation of 1194 mm (47 in)
- B . Provide a minimum separation of 2060 mm (81 in)
- C . Require the architect to install metallic foil shielding on the mechanical room walls
- D . Provide RMC/IMC (rigid metallic conduit/intermediate metal conduit) through all areas within 4.6 m (15 ft) of the mechanical room
The electromagnetic spectrum of visible light lies in the ___________ frequency range of
the spectrum.
- A . 1 GHz
- B . 100 GHz
- C . 10 THz
- D . 1 PHz
- E . 100 PHz
You are required by architectural design to place UTP cables in the same space as unshielded power lines.
How should you proceed with the placement of your cables?
- A . Require the architect/electrical engineer to place shielding in the space before your UTP is placed.
- B . You should provide a minimum separation of 610 mm (24 in).
- C . You should provide a minimum separation of 229 mm (9 in).
- D . You should provide a minimum of two 101 mm (4 in) RMC.
The ability of a device to withstand electromagnetic disturbances from another device is:
- A . Electromagnetic interference (EMI)
- B . Radio Frequency Interference (RFI)
- C . (EMC)
- D . Fast transients
- E . Electrostatic Discharge (ESD)
Which of the following is an undesirable electromagnetic effect on a device(s)?
- A . (EMC)
- B . Electromagnetic interference (EMI)
- C . Radio frequency interference (RFI)
- D . Fast transients
- E . Electrostatic discharge (ESD)
You have discovered a common mode current on the metallic cable sheaths of your building riser cables.
What is the MOST likely cause for you to investigate?
- A . Lack of cable protection
- B . Two separate and distinct ground references
- C . Improper secondary protection
- D . Improper physical protection of cable
- E . Improper placement and/or termination of cables
Which of the following is NOT a form of signal coupling between two (2) circuits?
- A . Conductive
- B . Inductive
- C . Reactive
- D . Capacitive
- E . Electromagnetic
A common mode (CM) signal can be converted to a differential mode (DM) signal as a result of a(n):
- A . Unbalanced circuit
- B . Grounded circuit
- C . Poorly timed signal
- D . Improper dielectric material
What is the recommended MINIMUM separation of unshielded twisted-pair (UTP) cables from fluorescent light fixtures?
- A . 77 mm (3 in)
- B . 30 mm (5.12 in)
- C . 203 mm (8 in)
- D . 324 mm (12.75 in)
- E . 483 mm (19 in)
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