Questions
1. A fiber optic inspection microscope can in- True
crease the danger of high powered light
sources by focusing the light coming out of a
fiber into your eye. True or False?
2. A fiber optic power meter measures absolute True
power in dBM (dB referenced to 1 mw) and,
when used with a light source, can measure
insertion loss expressed in dB. True or False?
3. When we say 62.5/125 fiber, what does "62.5" core size, the diameter in microns
mean?
4. When we say 50/125 fiber, what does "125" cladding size, the diameter in mi-
mean? crons
5. OM3 and OM4 multimode fiber with a 50/125 Are "laser optimized" which gives
micron core are now a popular option in more distance capability with giga-
premises cabling systems because they _____. bit networks using laser sources
6. In-multimode fiber, the attenuation (reduction Higher
in optical power) of the fiber is _____ at 850 nm
than at 1300 nm.
7. Which of the following represents a singlemode 9/125 micron
(smaller core size) fiber size?
8. Singlemode fiber has _____ bandwidth than greater
multimode fiber.
9. Most plastic optical fibers are _____. large core step-index
10. Primary buffer coating
, FOA CFOT Certification Exam v11
When you strip singlemode or graded index
multimode mode glass fiber, you are removing
the ____.
11. The proper method of pulling optical fiber ca- Strength members
bles is to attach the pull wire or tape to the ____
of the cable.
12. According to the references, hybrid cables are Both singelmode and multimode
cables that contain ____. optical fibers
13. What type of fiber cable design allows for large ribbon
numbers of fibers with ultra-high density, small
size (diameter) and lower cost?
14. According to the references, composite cables both optical fibers and copper con-
refer to cables that contain ____> ductors
15. Which optical fiber cables must be grounded? all cables that contain metallic ele-
ments
16. Fiber optic cable for use inside a building must Be rated to meet the requirements
_______. of local building and fire codes
17. Optical fiber cable with a orange colored jacket Multimode fiber
generally indicates the cable contains _____.
18. Premises cable jackets are usually color-coded Yellow
in what color to indicate singlemode fiber?
19. Premises cable jackets are usually color-coded Aqua
in what color to indicate laser-optimized 50/125
OM3 or OM4 fiber?