ATT Week 9 Exam 2025 Questions and
Answers
Fiber optics deal with transmission of? - ANS Light
Whats the bending of light called - ANS Refraction
Whats is light composed of - ANS Protons
The color of light depends on? - ANS Its wavelength
What 2 fibers allow simeltaneous light path? - ANS Multimode index and step index
Whats required out of a large amount of info at a high bit rate - ANS A wider bandwith
Whats causes refraction? - ANS Change in the speed of light
What does a transmitter do? - ANS Converts electricity to light
What does a transmission do? - ANS Passes light energy
What does the receiver - ANS Converts light to electricity
Pg. 1 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
, Obtical fiber that allows ONE light path - ANS Single mode
Type of optical fiber whos core is made of SEVERAL layers of material? - ANS Multimode
graded
Light imperfections due to: - ANS Core cladding boundary
True or false: Multimode index fibers are desired for long, high speed communication -
ANS FALSE
Transferring a modulated cable by transfering is called? - ANS Modulation
What type of signal is transmitted by fiber optics, by energizing and de-energizing a light
source? - ANS A PCM
Fiber optics are capable of: - ANS Digital and analog
What is the term used to identify the quality of a digital system is: - ANS Bit error rate
What type of AD converter analog to refrence? - ANS Simeltaneous
What converter uses a up-down converter - ANS Tracking
True or false, a r2/r uses 2 resistors of differnt values? - ANS True
Disadvantage of binary weighted input - ANS Uses different resistance values
Pg. 2 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
Answers
Fiber optics deal with transmission of? - ANS Light
Whats the bending of light called - ANS Refraction
Whats is light composed of - ANS Protons
The color of light depends on? - ANS Its wavelength
What 2 fibers allow simeltaneous light path? - ANS Multimode index and step index
Whats required out of a large amount of info at a high bit rate - ANS A wider bandwith
Whats causes refraction? - ANS Change in the speed of light
What does a transmitter do? - ANS Converts electricity to light
What does a transmission do? - ANS Passes light energy
What does the receiver - ANS Converts light to electricity
Pg. 1 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
, Obtical fiber that allows ONE light path - ANS Single mode
Type of optical fiber whos core is made of SEVERAL layers of material? - ANS Multimode
graded
Light imperfections due to: - ANS Core cladding boundary
True or false: Multimode index fibers are desired for long, high speed communication -
ANS FALSE
Transferring a modulated cable by transfering is called? - ANS Modulation
What type of signal is transmitted by fiber optics, by energizing and de-energizing a light
source? - ANS A PCM
Fiber optics are capable of: - ANS Digital and analog
What is the term used to identify the quality of a digital system is: - ANS Bit error rate
What type of AD converter analog to refrence? - ANS Simeltaneous
What converter uses a up-down converter - ANS Tracking
True or false, a r2/r uses 2 resistors of differnt values? - ANS True
Disadvantage of binary weighted input - ANS Uses different resistance values
Pg. 2 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
