Question 1

You are designing a multi-story dwelling and need to place the CTR's. Every floor is not available. What is the alternate spacing for the CTRs?

Accepted Answer

A)   Every 2 floors
B)   Every 3 floors
C)   Every 4 floors
D)   Every 5 floors
E)   1st floor and midway up through the height of the building B

Question 2

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?

Accepted Answer

A)   10 dB
B)   30 dB
C)   40 dB
D)   60 dB
E)   100 dB B

Question 3

Which of the following is true when describing slip sleeves or gutters?

Accepted Answer

A)   More costly than pull boxes
B)   Can be used as a splice location
C)   Provides more space for pulling
D)   Cannot be used in place of a pull box
E)   Must be equal in size to the main conduit C

Question 4

Which of the following is NOT an element of a cable system?

Accepted Answer

A)   Headend
B)   Distribution system
C)   Subscriber drop
D)   Television

Question 5

You are designing a nurse call system for a health care facility. The system will have emergency call switches. What is the first step you should take in designing the nurse call system?

Accepted Answer

A)   Properly size the supporting TR to accommodate the headend system
B)   Program the headend device for the various call switches that will be used
C)   Perform a risk assessment to determine call switch locations
D)   Perform a site survey to verify the pathways that will connect the headend device with the call switches

Question 6

A(n) ________ system is considered a mechanical firestop.

Accepted Answer

A)   Cementitious
B)   Cable transit
C)   Firestop block
D)   Intumescent sheet

Question 7

What is the expected lumenance value, in watts, of a 200 watt fluorescent lamp after three years?

Accepted Answer

A)   120 watts
B)   140 watts
C)   160 watts
D)   180 watts
E)   200 watts

Question 8

A space has all hard surfaces including architecture and furnishings. The audio programming produced from the distributed sound system has become unintelligible. Which of the following will NOT mitigate the problem?

Accepted Answer

A)   Add tapestries to the walls.
B)   Provide additional speakers at lower output.
C)   Increase the volume to the existing speakers.
D)   Reduce the distance of the existing speakers to the listener.

Question 9

You are designing a cabling containment system installed overhead in a new data center. The main or prime purpose of the system will be to manage fiber optic cabling between cabinets. You have a choice of designs of the containment system. In view of the prime purpose of containment system, your first choice of design will be one that:

Accepted Answer

A)   Has a bottom design with a web spacing of less than 203 mm (8 in) 
B)   Has a bottom design with a web spacing of less than 152 mm (6 in) 
C)   Is manufactured with a soft cloth type material
D)   Has a solid bottom design
E)   The design is not important as long as the client pre approves the manufacturer

Question 10

For an analog camera, what is the normal frame rate in frames per second?

Accepted Answer

A)   18 fps
B)   22 fps
C)   27 fps
D)   30 fps
E)   33 fps

Question 11

Which of the following statements best describes what a backbone distribution system typically provides?

Accepted Answer

A)   Cabling from the HC to the WA
B)   Pathway from the HC to the WA
C)   Conduit in a building riser
D)   Building connections between floors in a multistory building
E)   Copper cabling installed in a large building

Question 12

Which of the following protocols is referred to under ISO 16484-5?

Accepted Answer

A)   BACnet
B)   ARCnet
C)   European installation bus
D)   EMSLan
E)   LonMark

Question 13

Multimode optical fiber is generally used for campus or building applications due to the ability to use cost effective:

Accepted Answer

A)   Connectors
B)   Cable
C)   Installation methods
D)   Transceivers
E)   Designs

Question 14

What is the MINIMUM cover for underground conduit?

Accepted Answer

A)   152 mm (6 in) 
B)   305 mm (12 in) 
C)   457 mm (18 in) 
D)   610 mm (24 in) 
E)   762 mm (30 in)

Question 15

Within building automation hardware systems, there is a hierarchical system of micro processor based controllers. Which type of controller is used to provide limited port capacity for connection of sensors, support, and execution of DDC programs, and usually operates in stand alone mode?

Accepted Answer

A)   System level controller
B)   Field level controller
C)   Management level processor
D)   Protocol management system
E)   DDC manager

Question 16

What type of address is 10.162.02.14?

Accepted Answer

A)   IP
B)   MAC
C)   Host
D)   Broadcast
E)   Unicast

Question 17

When designing a backbone distribution system, you are asked to include a combination of media types. Your choice of media types include:

Accepted Answer

A)   Copper and fiber only
B)   Fiber and wireless only
C)   Fiber and coaxial cable only
D)   Wireless and coaxial cable only
E)   Any combination of copper, fiber, and wireless

Question 18

The concept of the "security quandary" is based on providing a balancing act between what two elements?

Accepted Answer

A)   Access and isolation
B)   Risk and threat
C)   Asset and isolation
D)   Asset and risk
E)   Access and cost

Question 19

Rack mounted hardware is installed in two standard sized racks or cabinets. Those sizes are:

Accepted Answer

A)   482 mm (19 in)  and 584 mm (23 in) 
B)   482 mm (19 in)  and 762 mm (30 in) 
C)   610 mm (24 in)  and 762 mm (30 in) 
D)   762 mm (30 in)  and 914 mm (36 in) 
E)   482 mm (19 in)  and 1020 mm (40 in)

Question 20

You have been asked to test and troubleshoot an installed base of cabling that is believed to be causing network problems. You are finding that there are high levels of return loss upon initial testing. What testing will best determine the reasons for these failures?

Accepted Answer

A)   Power meter
B)   Continuity testing
C)   Level II testing
D)   Time domain reflectometer (TDR)

Exam 1: BICSI Registered Communications Distribution Designer - RCDD