Nt1310 Final Exam Review

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NT1310 Final Exam Review 1. What unit of measurement is a tenfold logarithmic ratio of power output to power input
Answer: Decibels is a unit of measurement that describes logarithmic ratio

2. What type of tool would be best for add connectors to twisted-pair cable
Answer: Crimpers

3. If the tip wire in your pair is white/blue, what color would you expect the ring to be
Answer: Blue

4. How many pairs of wires are in a binder group
Answer: 25

5. What is added to fiber-optic cabling to provide additional support
Answer: Nylon and Aluminum Coatings

6. What layer of the OSI reference model do routers work on
Answer: Layer 3

7. What are examples of a makeshift tools
Answer: Tennis Ball and Duct Tape

8. What should be included in cabling system documentation
Answer: Network Diagrams

9. What is refraction
Answer: Is the bending of light as it passes through a medium

10. What was the first full-scale commercial application of fiber-optic communication systems
Answer: AT&T installed the first fiber optic cable system in 1977

11. How are optical fibers and copper different
Answer: Digital transmission is superior to analog transmission by analog is affected by attenuation and nature 12. How is digital data transmission superior to analog data transmission
Answer: It is not affected by attenuation or electrical impulses

13. How does dispersion affect optical fiber
Answer: It blurs the signal and blends usable signal to degrade the signal

14. What is attenuation
Answer: attenuation is used to describe the degradation of a signal

15. What factors need to be considered when choosing a fiber-optic cable
Answer: what type of signal is going to be sent through the fiber optic

16. Which of the following cables are commonly used in connections to equipment and patch panels…...

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