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RCDD-002 BICSI Registered Communications Distribution Designer - RCDD is now Stable and With Pass Result | Test Your Knowledge for Free

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RCDD-002 Practice Questions

BICSI Registered Communications Distribution Designer - RCDD

Last Update 3 days ago
Total Questions : 361

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Question # 11

A ________ eliminates the need to remove or install materials.

Options:

A.  

Cast-in-place device

B.  

Cable transit system

C.  

Fire-rated pathway device

D.  

Factory fabricated sleeve system

Discussion 0
Question # 12

Cementitious materials are ________ based materials.

Options:

A.  

Dry powder

B.  

Latex

C.  

Solvent

D.  

Sand

Discussion 0
Question # 13

The MAXIMUM span length for an aerial entrance, from the last pole to the building, must NOT exceed:

Options:

A.  

15.2 m (50 ft)

B.  

30 m (100 ft)

C.  

45.8 m (150 ft)

D.  

61 m (200 ft)

E.  

76 m (250 ft)

Discussion 0
Question # 14

Which one of the following is NOT an advantage of underground conduit?

Options:

A.  

Has a low initial installation cost

B.  

Preserves the aesthetic appearance of the premises

C.  

Adaptable for future placement or removal of facilities

D.  

Provides the security of additional physical cable protection

E.  

Is economical over a long life

Discussion 0
Question # 15

What is the horizontal separation, in well tamped earth, required between power and direct buried telecommunications facilities sharing the same trench?

Options:

A.  

152 mm (6 in)

B.  

229 mm (9 in)

C.  

300 mm (12 in)

D.  

381 mm (15 in)

E.  

457 mm (18 in)

Discussion 0
Question # 16

When balanced twisted-pair copper cabling, return loss is a measurement of the:

Options:

A.  

Worst case difference in magnitude between the expected insertion loss and the actual measured insertion loss

B.  

Reflection of signal power resulting from the insertion of a device in a transmission line (in dB)

C.  

Signal coupling between any two pairs along the entire length of the cabling

D.  

Loss in signal resulting from the insertion of a component, of link, or channel, between a transmitter and a receiver

E.  

Time required for a signal to travel from one end of the transmission path to the other end

Discussion 0
Question # 17

Where backbone cabling exceeds cabling lengths for the same performance or design (for product used in horizontal cabling), there are three fundamental tests which should be considered when testing. They are:

Options:

A.  

Insertion loss (attenuation), return loss, and wiremap/strand identification

B.  

Insertion loss (attenuation), return loss, and continuity

C.  

Insertion loss (attenuation), return loss, and length

D.  

Insertion loss (attenuation), continuity, and wiremap/strand identification

E.  

Continuity, wiremap/strand identification, and propagation delay/delay skew

Discussion 0
Question # 18

Premises optical fiber links should be tested:

Options:

A.  

In one direction at one corresponding wavelength

B.  

In one direction at both corresponding wavelengths

C.  

Bidirectionally at one corresponding wavelength

D.  

Bidirectionally at both corresponding wavelengths

Discussion 0
Question # 19

The MINIMUM dimensions of the telecommunications main grounding busbar is ________ and variable in length.

Options:

A.  

4 mm (0.16 in) x 80 mm (3.15 in)

B.  

6.3 mm (0.25 in) x 100 mm (4 in)

C.  

8 mm (0.31 in) x 110 mm (4.33 in)

D.  

10.5 mm (0.41 in) x 140 mm (5.51 in)

E.  

12.75 mm (0.50 in) x 175 mm (6.89 in)

Discussion 0
Question # 20

Which of the following is NOT provided by the ac grounding electrode system?

Options:

A.  

Zero volt reference for AC power

B.  

A path for dissipating electrical current

C.  

A path for dissipating electrostatic discharge

D.  

Adequate electrical protection for people and equipment

Discussion 0
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