Up To The Immediate Present RCDD Test Preparation For BICSI RCDD Certification

NEW QUESTION 1

A campus backbone design linking two buildings requires that you install a high-fiber-count cable very quickly, using the conduit system provided. Cost is not so much an issue as urgency is to meet a service demand. Your first choice of fiber cable installation is to use:

• A. Multiple sheathed cables with field connectorization
• B. Multiple sheathed cables using pigtail connectorization
• C. Single high fiber count sheathed cable with field connectorization
• D. Single sheathed high-fiber-count cable with pigtail connectorization
• E. Single sheathed cable equipped with preconnectorized assemblies

Answer: E

NEW QUESTION 2

Electrical power cables are usually routed above aerial cable in order to:

• A. Provide aesthetics, as the power cables are bigger than the aerial cables
• B. Be a strength member in case a tree or something heavy falls on the lines
• C. Negate the need for protectors
• D. Intercept and divert direct power strikes

Answer: D

NEW QUESTION 3

If you have a data center where the entire infrastructure must be completely shutdown on an annual basis to perform preventative maintenance and repair work, what tier level would
this represent?

• A. Tier I
• B. Tier II
• C. Tier III
• D. Tier IV

Answer: A

NEW QUESTION 4

You have been asked to spec the physical security requirements related to the protection of assets for a new data center. The most common potential for damage categories you have considered include temperature, gases, organisms and projectiles. The one category that you have missed is:

• A. Aircraft flight paths
• B. Proximity to high speed rail links
• C. Liquids
• D. Parking lot exits
• E. Exposure to extreme winds

Answer: C

NEW QUESTION 5

When specifying telecommunications outlet boxes, all of the following should be considered EXCEPT:

• A. Outlet box shall be a minimum of 100 mm (4 in) x 100 mm (4 in) x 76 mm (3 in)
• B. Outlet boxes should be installed near an electric outlet at the same height
• C. Different outlet boxes have different support requirements
• D. Floor mounted telecom outlet boxes should be coordinated with furniture to minimize the potential trip hazard
• E. Outlet boxes must be of adequate size so that minimum cable bend radius requirements are not exceeded

Answer: A

NEW QUESTION 6

You are designing a cabling system for a chemical plant. What type of device is needed to prevent the spread of fire along the cable other than the barrier penetrations?

• A. Fire break
• B. Fire shield
• C. Fire stop
• D. Fire wall

Answer: A

NEW QUESTION 7

For the telecommunications industry, the nominal operating voltage is ______ volts DC.

• A. + 24
• B. – 24
• C. + 48
• D. – 48

Answer: D

NEW QUESTION 8

You are extending 1000 MHz video service from your existing headend to a new equipment
room (ER). Your existing incoming video signal is plus (+) 15 dBmV. You have three two- way splitters with a total of minus (-) 15 dB. You are adding 122 m (400 ft) of series 11 (RG 11) cable with a minus (-) 18 dB with eight single end F-connectors with a total of minus (-) 1.2 dB. From the selections below, what is the MINIMUM gain amplifier required in the headend room?

• A. Plus (+) 15 dB
• B. Plus (+) 20 dB
• C. Plus (+) 25 dB
• D. Plus (+) 30 dB
• E. Plus (+) 35 dB

Answer: A

NEW QUESTION 9

The ability of a conductors insulation to transmit an electric field is called:

• A. Conductivity
• B. Transmitability
• C. Permittivity
• D. Capacitance
• E. Reactance

Answer: C

NEW QUESTION 10

What is the appropriate impedance of coaxial cable for use with broadband distribution?

• A. 50
• B. 75
• C. 100
• D. 150

Answer: B

NEW QUESTION 11

You are working on the design of a new, large ER/TR that will contain many racks and data cabinets including a large UPS system. Your recommendation to the architect for room access from inside the building is:

• A. Two 0.9 m (3 ft) solid doors
• B. One 1.5 m (5 ft) metallic roll top door
• C. One 1.2 m (4 ft) solid core, steel sheath door
• D. One 1.83 m (6 ft) solid core dual direction sliding door with removable sides
• E. One double door with a removable center post

Answer: E

NEW QUESTION 12

What is at the "root" of a DAS (distributive antenna system)?

• A. Antenna
• B. Receiver
• C. Transmitter
• D. Transceiver

Answer: D

NEW QUESTION 13

Important considerations when designing telecommunications distribution within modular furniture include all of the following EXCEPT:

• A. How the furniture pathways will be connected to horizontal building pathways
• B. Separation of telecommunications cabling and electrical power
• C. Diameter of cable to be installed
• D. Maximum initial fill ratio of 40 percent when derated because of corners

Answer: D

NEW QUESTION 14

You must extend a video systems backbone coax cable that was recently installed. Which of the following coaxial cable types would provide the best performance for both analog
and digital video?

• A. Series 6
• B. Series 11
• C. RG 16
• D. RG 59
• E. RG 62

Answer: B

NEW QUESTION 15

You are reviewing a building backbone design with a vertically aligned telecommunications room (TR). In the spec you note in a footnote with details that the slots at one end of the telecommunications room (TR) must be flush with the floor and the sleeves provide at the end of the telecommunications room (TR) must also be flush. In your meeting with the electrical engineering firm that has provided the spec, you make the comment that according to best practices, the MINIMUM that slots and sleeves must extend above the finished floor are:

• A. 25 mm (1 in) for slots and 51 mm (2 in)
• B. 25 mm (1 in) for slots and 25 mm (1 in)
• C. 51 mm (2 in) for slots and 25 mm (1 in)
• D. 51 mm (2 in) for slots and 51 mm (2 in)
• E. 64 mm (2 1/2 in) for slots and 64 mm (2 1/2 in)

Answer: B

NEW QUESTION 16
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