STRUCTURED CABLING CHAPTERS 1-3 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

STRUCTURED CABLING CHAPTERS 1-3 UPDATED
ACTUAL QUESTIONS AND CORRECT ANSWERS

Question:
1. What type of coaxial fitting is commonly used for cable TV?
Answer:
F

Question:
2. 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.
Answer:
two 22 AWG

Question:
3. The characteristic impedance of the pairs in an IBM-type shielded twisted pair cable is ? .
Answer:
150 ohms

Question:
4. A multi-conductor cable consists of several conductors surrounded by an outer jacket. T or F?
Answer:
True

Question:
5. What type of cable is typically used for an intrusion detection keypad, glass break detector, and motion
detector?
Answer:
4 conductor

Question:
6. Coaxial cables provide better protection from electrical noise and a much higher bandwidth than
twisted-pair cable. T or F?
Answer:
True

Question:
7. In today's applications, coaxial cables are mainly used for ? .
Answer:
community antenna television and closed circuit television

Question:
8. 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

, Answer:
Asynchronous data terminals, Electronic access control systems, Environmental controls, Fire alarms,
Nurse call systems, Security systems

Question:
9. Which coaxial connector type is commonly used with closed circuit TV applications?
Answer:
BNC

Question:
10. Which coaxial connector type is commonly used with thick Ethernet applications?
Answer:
N

Question:
11. 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?
Answer:
True

Question:
12. 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?
Answer:
True

Question:
13. 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.
Answer:
1984

Question:
14. What is the intention of the National Electrical Code (NEC)?
Answer:
to protect people & property from electrical hazards

Question:
15. The NEC chapter that deals with the general requirements of communications systems is ? .
Answer:
chapter 8

Question:
16. What does the abbreviation TSB represent?