BICSI RCDD-001 BICSI Registered Communications Distribution Designer – RCDD Online Training
BICSI RCDD-001 Online Training
The questions for RCDD-001 were last updated at Apr 11,2025.
- Exam Code: RCDD-001
- Exam Name: BICSI Registered Communications Distribution Designer - RCDD
- Certification Provider: BICSI
- Latest update: Apr 11,2025
Which characteristic is an advantage of copper based media over optical fiber cable?
- A . Weight
- B . Corrosion resistance
- C . Ability to handle analog signals
- D . Susceptibility to EMI
- E . Very high data rates
Which is an advantage of stranded conductors over solid conductors?
- A . Less costly
- B . Simpler terminations
- C . Better high frequency performance
- D . More flexible
Composite conductors, although not generally recommended, may be used in special circumstances because they provide all of the following advantages EXCEPT:
- A . Have good digital transmission characteristics
- B . Lightweight
- C . Inexpensive
- D . Easy to produce
- E . Easily embedded into other materials
Which electrical characteristic is displayed with the correct preferred value?
- A . Dielectric constant C high value
- B . Dielectric strength C high value
- C . Dissipation factor C low value
- D . Insulation resistance – high value
If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is:
- A . 3 dB
- B . 20 dB
- C . 30 dB
- D . 40 dB
- E . 1000 dB
Two sinusoidal signals have the same amplitude (A) and the same frequency (f). They differ in phase by 180 degrees.
If these two signals are added together, the result is a sinusoidal signal having an amplitude of:
- A . Zero
- B . 0.707A and a frequency of f
- C . A and a frequency of 2f
- D . 2A and a frequency of f
- E . 2A and a frequency of 2f
Which of the following correctly lists the lowest frequency band to the highest frequency band?
- A . MF, HF, VHF, UHF
- B . UHF, VHF, HF, MF
- C . HF, MF, UHF, VHF
- D . VHF, UHF, MF, HF
- E . HF, MF, UHF, VHF
The conversion of an analog speech signal to a pulse code modulation (PCM) digital signal involves all of the following steps EXCEPT:
- A . Low pass filtering
- B . Periodic sampling
- C . Quantizing
- D . Companding
- E . Amplitude modulation
The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt.
What is the signal-to-noise ratio (SNR) (dB) at the receiver input?
- A . 10 dB
- B . 30 dB
- C . 40 dB
- D . 60 dB
- E . 100 dB
You must place CAT6 cable above a factory floor with automated welding machines and hammer forges.
Of the following, what type of shielding would be most effective?
- A . Multi-layer braid
- B . Foil and braid
- C . Solid metallic conduit
- D . Flex metallic conduit
- E . Sch. 40 PVC conduit
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