Question 1

Multiples of the basic frequency of an electrical waveform are called:

Accepted Answer

A)  Transients 
B)  Noise inductions 
C)  Harmonics 
D)  Random frequency variations

Question 2

The MINIMUM recommended lighting requirement in a telecommunications room (TR) at the point of cable terminations is:

Accepted Answer

A)  150 lux 
B)  300 lux 
C)  500 lux 
D)  750 lux 
E)  1000 lux

Question 3

Class ________ administration provides for the telecommunications infrastructure administration needs of a single building, or of a tenant served by a single or multiple. It also includes administration for backbone cabling, systems, and.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4

Question 4

Which of the following is NOT a source of electromagnetic interference (EMI)?

Accepted Answer

A)  Copiers 
B)  Transformers 
C)  Incandescent lights 
D)  Fluorescent lights 
E)  Electrical power supply cable

Question 5

Exhibit: The figure below represents what type of chart?

Accepted Answer

A)  Milestone 
B)  PERT 
C)  Gantt 
D)  Calendar 
E)  Status

Question 6

Aerial entrances to small buildings should be limited to ________ cable pair or less.

Accepted Answer

A)  6 
B)  12 
C)  25 
D)  50 
E)  100

Question 7

You have determined that your underground cable design requires three maintenance holes (MHs). One is 4.3 m (14 ft), one is 6 m (20 ft), and one is 6.7 m (22 ft) in length. How many MH covers are required to serve these MHs?

Accepted Answer

A)  Three 
B)  Four 
C)  Six 
D)  Seven 
E)  Nine

Question 8

A telephone facility and an electrical facility are required in a tunnel. To reduce the effects of EMI and eliminate the need for additional shielding of the cables, where would each facility be placed?

Accepted Answer

A)  On opposite sides of the tunnel 
B)  On the same sides of the tunnel 
C)  Together on the same pathway for easy access and maintenance 
D)  One on the top part and one on the bottom part of the same side of the tunnel 
E)  On the exterior of the tunnel

Question 9

You are required by architectural design to place UTP cables in the same space as unshielded power lines. How should you proceed with the placement of your cables?

Accepted Answer

A)  Require the architect/electrical engineer to place shielding in the space before your UTP is placed. 
B)  You should provide a minimum separation of 610 mm (24 in). 
C)  You should provide a minimum separation of 229 mm (9 in). 
D)  You should provide a minimum of two 101 mm (4 in) RMC.

Question 10

Using the "pathway design" for horizontal cable distribution, how many cable runs are placed to serve 15 individual?

Accepted Answer

A)  15 
B)  30 
C)  45 
D)  60

Question 11

An isolated ground receptacle may be identified by:

Accepted Answer

A)  Beige coloring with an orange triangle on the face 
B)  The letters IG 
C)  Continuous orange coloring 
D)  Its proximity to the PDU 
E)  Either A or C

Question 12

You are designing a DAS that will support five buildings on a college campus. Which medium is best suited to ensure the best connectivity and throughput between the headend and backend devices located in the various buildings?

Accepted Answer

A)  Coaxial 
B)  Optical fiber cabling 
C)  Shielded twisted pair cabling 
D)  Unshielded twisted pair cabling

Question 13

In order to maximize its ability to send and receive, an antenna should be ________ to the desired frequency.

Accepted Answer

A)  Dipped 
B)  Loaded 
C)  Tuned 
D)  Peaked

Question 14

Firestop ________, in conjunction with steel wedging plates, go in a steel cable tray.

Accepted Answer

A)  Bag 
B)  Block 
C)  Intumescent sheet 
D)  Silicone foams

Question 15

You are designing a restaurant located within a retail mall. The ambient noise level of the restaurant is 70 dB. The ambient noise level of the mall common space is 75 dB. What is the MINIMUM sound pressure level (SPL) that should be used when designing the paging system within the restaurant?

Accepted Answer

A)  70 dB 
B)  75 dB 
C)  80 dB 
D)  85 dB

Question 16

Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 dB at 4 m (13.1 ft) with a loud speaker that is rated at a SPL of 95 dB. What input power level (in watts) is required to appropriately power the speaker?

Accepted Answer

A)  1 watt 
B)  2 watts 
C)  4 watts 
D)  8 watts

Question 17

Assume the following: - An equipment room (ER) consists of 16 racks arranged in 4 equal rows - The first 4 racks are numbered R1-1 though R1-4 - The second 4 racks are numbered R2-1 through R2-4 - A new equipment shelf with 12 slots is to be installed in the bottom of the third rack in the second row - Each slot has 2 ports What would be the identifier of the two ports on the eighth slot of the new equipment shelf?

Accepted Answer

A)  R2-3-1-8-1 and R2-3-1-8-2 
B)  R3-2-1-8-1 and R3-2-1-8-2 
C)  R2-3-1-12-1 and R2-3-1-12-2 
D)  R3-2-1-12-1 and R3-2-1-12-2 
E)  R2-3-12-8-1 and R2-3-12-8-2

Question 18

The RJ-45 is now known as the 8P8C style connector, per the Telecommunications Industry Association (TIA) standard. What does the P and C stand for?

Accepted Answer

A)  Plug and connector 
B)  Position and connector 
C)  Position and contact 
D)  Plug and contact

Question 19

An existing ceiling raceway system has 115,000 sq mm (177 sq in) of cross-sectional area available for distribution of cable runs. How many can be served by the existing system?

Accepted Answer

A)  115 
B)  160 
C)  177 
D)  189 
E)  195

Question 20

What is the highest typical ambient noise level where audio paging becomes unintelligible?

Accepted Answer

A)  75 dB 
B)  85 dB 
C)  95 dB 
D)  105 dB

Exam 1: BICSI Registered Communications Distribution Designer - RCDD