Structured Cabling Exam UPDATED
QUESTIONS AND CORRECT ANSWERS
What type of coaxial fitting is commonly used for cable TV? - CORRECT ANSWER F
Type 1 cable consists of ? twisted pairs, each individually shielded with foil, with a braided outer
shield surrounding the entire cable core and covered with a jacket. - CORRECT ANSWER two
22 AWG
The characteristic impedance of the pairs in an IBM-type shielded twisted pair cable is ? . -
CORRECT ANSWER 150 ohms
A multi-conductor cable consists of several conductors surrounded by an outer jacket. T or F? -
CORRECT ANSWER True
What type of cable is typically used for an intrusion detection keypad, glass break detector, and
motion detector? - CORRECT ANSWER 4 conductor
Coaxial cables provide better protection from electrical noise and a much higher bandwidth than
twisted-pair cable. T or F? - CORRECT ANSWER True
In today's applications, coaxial cables are mainly used for ? . - CORRECT ANSWER
community antenna television and closed circuit television
Which represents an application where a multi-conductor cable could be used?
I. Asynchronous data terminals
II. Electronic access control systems
III. Environmental controls
IV. Fire alarms
V. Nurse call systems
VI. Security systems - CORRECT ANSWER Asynchronous data terminals, Electronic access
control systems, Environmental controls, Fire alarms, Nurse call systems, Security systems
, Which coaxial connector type is commonly used with closed circuit TV applications? - CORRECT
ANSWER BNC
Which coaxial connector type is commonly used with thick Ethernet applications? - CORRECT
ANSWER N
The performance of the original Type 1 cables was specified at frequencies up to 20 megahertz. The
performance of the newer "A" types (Type 1A) is specified at frequencies up to 300 megahertz. T or
F? - CORRECT ANSWER True
The Telecommunications Industry Association and the Electronic Industries Alliance (TIA/EIA)
brought much needed consistency to products, installations, and testing requirements through their
standards development. T or F? - CORRECT ANSWER True
After the deregulation of the telephone industry in ? , the responsibility for premises cabling was left
in the hands of the building owner instead of the service provider. The industry was then left with
inconsistent standards. - CORRECT ANSWER 1984
What is the intention of the National Electrical Code (NEC)? - CORRECT ANSWER to
protect people & property from electrical hazards
The NEC chapter that deals with the general requirements of communications systems is ? . -
CORRECT ANSWER chapter 8
What does the abbreviation TSB represent? - CORRECT ANSWER Telecommunications
Systems Bulletin
The ? Standard defines a generic telecommunications system that supports a multivendor, multi-
product environment. - CORRECT ANSWER TIA 568
If a question arises about grounding, what article in the NEC would be referenced? - CORRECT
ANSWER article 250
What section of the NEC defines the working clearances around electrical equipment? - CORRECT
ANSWER 110.26
QUESTIONS AND CORRECT ANSWERS
What type of coaxial fitting is commonly used for cable TV? - CORRECT ANSWER F
Type 1 cable consists of ? twisted pairs, each individually shielded with foil, with a braided outer
shield surrounding the entire cable core and covered with a jacket. - CORRECT ANSWER two
22 AWG
The characteristic impedance of the pairs in an IBM-type shielded twisted pair cable is ? . -
CORRECT ANSWER 150 ohms
A multi-conductor cable consists of several conductors surrounded by an outer jacket. T or F? -
CORRECT ANSWER True
What type of cable is typically used for an intrusion detection keypad, glass break detector, and
motion detector? - CORRECT ANSWER 4 conductor
Coaxial cables provide better protection from electrical noise and a much higher bandwidth than
twisted-pair cable. T or F? - CORRECT ANSWER True
In today's applications, coaxial cables are mainly used for ? . - CORRECT ANSWER
community antenna television and closed circuit television
Which represents an application where a multi-conductor cable could be used?
I. Asynchronous data terminals
II. Electronic access control systems
III. Environmental controls
IV. Fire alarms
V. Nurse call systems
VI. Security systems - CORRECT ANSWER Asynchronous data terminals, Electronic access
control systems, Environmental controls, Fire alarms, Nurse call systems, Security systems
, Which coaxial connector type is commonly used with closed circuit TV applications? - CORRECT
ANSWER BNC
Which coaxial connector type is commonly used with thick Ethernet applications? - CORRECT
ANSWER N
The performance of the original Type 1 cables was specified at frequencies up to 20 megahertz. The
performance of the newer "A" types (Type 1A) is specified at frequencies up to 300 megahertz. T or
F? - CORRECT ANSWER True
The Telecommunications Industry Association and the Electronic Industries Alliance (TIA/EIA)
brought much needed consistency to products, installations, and testing requirements through their
standards development. T or F? - CORRECT ANSWER True
After the deregulation of the telephone industry in ? , the responsibility for premises cabling was left
in the hands of the building owner instead of the service provider. The industry was then left with
inconsistent standards. - CORRECT ANSWER 1984
What is the intention of the National Electrical Code (NEC)? - CORRECT ANSWER to
protect people & property from electrical hazards
The NEC chapter that deals with the general requirements of communications systems is ? . -
CORRECT ANSWER chapter 8
What does the abbreviation TSB represent? - CORRECT ANSWER Telecommunications
Systems Bulletin
The ? Standard defines a generic telecommunications system that supports a multivendor, multi-
product environment. - CORRECT ANSWER TIA 568
If a question arises about grounding, what article in the NEC would be referenced? - CORRECT
ANSWER article 250
What section of the NEC defines the working clearances around electrical equipment? - CORRECT
ANSWER 110.26
