Question 1

A security program consists of three independent components. They are electronic, architectural, and:

Accepted Answer

A)  Operational 
B)  Physical 
C)  Environmental 
D)  Elemental

Question 2

You are designing an audible alarm notification system for an office environment with an ambient noise level of 55 dBA. What dBA level should the horn be set at?

Accepted Answer

A)  40 dBA 
B)  50 dBA 
C)  55 dBA 
D)  65 dBA 
E)  70 dBA

Question 3

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.

Accepted Answer

A)  0.2 c 
B)  0.4 c 
C)  0.6 c 
D)  08 c 
E)  0.9 c

Question 4

You are placing Category 6 unshielded twisted-pair (UTP) in cable tray down a hallway past the elevator mechanical room. What action should you take to avoid effects of electromagnetic interference (EMI)?

Accepted Answer

A)  Provide a minimum separation of 1194 mm (47 in) 
B)  Provide a minimum separation of 2060 mm (81 in) 
C)  Require the architect to install metallic foil shielding on the mechanical room walls 
D)  Provide RMC/IMC (rigid metallic conduit/intermediate metal conduit) through all areas within 4.6 m (15 ft) of the mechanical room

Question 5

If you have a 30 cm (12 in) wide data tray, what does ANSI/TIA 569-B recommend be the maximum pathway fill cross sectional area assuming a MAXIMUM pathway depth of 15 cm (6 in)?

Accepted Answer

A)  112.5 sq cm (18 sq in) 
B)  150 sq cm (24 sq in) 
C)  225 sq cm (36 sq in) 
D)  300 sq cm (48 sq in) 
E)  450 sq cm (72 sq in)

Question 6

The recommended MAXIMUM value for the bonding resistance between the nearest available grounding electrode and the busbar in an entrance facility (EF) is ________ ohms.

Accepted Answer

A)  0.1 
B)  0.5 
C)  1 
D)  2 
E)  5

Question 7

You have been asked to design a public safety microwave radio system for the city of Fairbanks, Alaska. The requirement for reliability, maximum throughput, and minimum interference by fog, rain, or heavy snow is critical. Which frequency will best suit the system's needs?

Accepted Answer

A)  2.4 GHz 
B)  4.9 GHz 
C)  6.0 GHz 
D)  11.0 GHz 
E)  19.0 GHz

Question 8

In a telecommunication room (TR), the ________ is the facility used to make cross connections from the backbone cable to the horizontal cable.

Accepted Answer

A)  Horizontal cross-connect (H
C)  
B)  Entrance facility (EF) 
C)  Intermediate cross-connect (I
C)  
D)  Main cross-connect (M
C)

Question 9

You are designing the cabling infrastructure for a lab office building that will frequently change tenants. The owner will be responsible for all of the infrastructure that feeds each floor to include the telecommunication rooms. Which firestop method will best suit the owners needs?

Accepted Answer

A)  Cable transit system 
B)  Factory fabricated sleeve system 
C)  Firestop pillow system 
D)  Silicone foam system

Question 10

The information technology system (ITS) designer should design conduits entering a building from ceiling height to terminate ________ below the finished ceiling.

Accepted Answer

A)  51 mm (2 in) 
B)  100 mm (4 in) 
C)  152 mm (6 in) 
D)  203 mm (8 in) 
E)  254 mm (10 in)

Question 11

Assume that the optical power transmitted by a 62.5/125 multimode fiber is distributed uniformly across its core. If this fiber is perfectly coupled (i.e., the two fibers are aligned and abutted) to a 50/125 fiber, what is the percent of power that is lost?

Accepted Answer

A)  0 percent 
B)  36 percent 
C)  50 percent 
D)  80 percent 
E)  100 percent

Question 12

Vertical conduit masts (with approved service heads) are limited to drop-wire attachments of up to ________ lines.

Accepted Answer

A)  4 
B)  6 
C)  12 
D)  25

Question 13

Which of the following electrical devices is used to convert AC to DC?

Accepted Answer

A)  Inverter 
B)  Rectifier 
C)  Transformer 
D)  Line filter

Question 14

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

Accepted Answer

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)

Question 15

You have just finished a design calling for 15 telecommunications outlets. You received word that the owner has increased his requirements by 40%. What size commercial DD (distribution device) is required to accommodate the increase?

Accepted Answer

A)  660 mm (26 in) 
B)  1015 mm (40 in) 
C)  1346 mm (53 in) 
D)  1676 mm (66 in)

Question 16

Composite conductors, although not generally recommended, may be used in special circumstances because they provide all of the following advantages EXCEPT:

Accepted Answer

A)  Have good digital transmission characteristics 
B)  Lightweight 
C)  Inexpensive 
D)  Easy to produce 
E)  Easily embedded into other materials

Question 17

IPv-4 addresses are ________ bits in length.

Accepted Answer

A)  16 
B)  24 
C)  32 
D)  48 
E)  64

Question 18

Which service is NOT typical of Grade 1?

Accepted Answer

A)  Telephone 
B)  Multimedia 
C)  Data 
D)  Television

Question 19

A telecommunications outlet/connector may be provided using all listed below EXCEPT:

Accepted Answer

A)  Wireless AP connectivity 
B)  Balanced twisted-pair outlets 
C)  Optical fiber connectors 
D)  4p4c (4 position, 4 contact) connector

Question 20

When designing a backbone distribution system, you will need to include a telecommunications enclosure (TE). A TE can be defined as a:

Accepted Answer

A)  Splice point for copper cabling only 
B)  Point where the backbone cabling interfaces to the horizontal cabling and may be utilized in place of a traditional Telecommunications Room (TR) 
C)  Location for housing building cross-connect cabling only 
D)  Location to house the splice transitioning from outdoor to indoor cabling only 
E)  Facility to store slack copper and fiber cables

Exam 1: BICSI Registered Communications Distribution Designer - RCDD