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 11,2025.
- Exam Code: RCDD-002
- Exam Name: BICSI Registered Communications Distribution Designer - RCDD
- Certification Provider: BICSI
- Latest update: Apr 11,2025
Wave division multiplexing (WDM) is most similar to:
- A . Amplitude modulation
- B . Frequency modulation
- C . Time division multiplexing
- D . Frequency division multiplexing
- E . Carrier sense multiple access with collision detection (CSMA/CD)
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
The public telephone system is an example of a __________ system.
- A . Simplex
- B . Half-duplex
- C . Full-duplex
- D . Purely analog
- E . Purely digital
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
A reasonable approximation for the signal speed in 100 ohm balanced twisted pair cable is__________, where c is the velocity of light in free space.
- A . 0.2 c
- B . 0.4 c
- C . 0.6 c
- D . 08 c
- E . 0.9 c
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
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
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
All of the following are nominal wavelengths for laser light sources EXCEPT:
- A . 700 nm
- B . 850 nm
- C . 1300 nm
- D . 1310 nm
- E . 1550 nm
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
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