Fiber Optics Queries
1 mW is the same as what in dBM? - โ โ 0dBM
A 1.25mm ferrule is used with what type of connectors? - โ โ Small form-factor
A fiber optic cable that is "fire retardant and low smoke" is called what according to the NEC? - โ โ
Plenum
A microscope will NOT confirm fiber continuity over short distances. True or False - โ โ True
All wavelengths of light travel at the same speed. True or False - โ โ False
An MPO connector is a recognized by ANSITIA-568-C.3 standard? True or False - โ โ True
An SC connector is a recognized by ANISTIA-568-C.3 standard? True or False - โ โ True
Electrodes in a fusion splicer become rounded or corroded when worn and should be replaced when the
arc count reaches (blank), or at the interval recommended by the manufacturer. - โ โ 1000
Fiber Optics transmissions are viewable to the naked eye. True or False - โ โ False
Fresnel reflection can be reduced by using what type of material? - โ โ Index matching gel
How do you dispose of waste fiber ends? - โ โ Sealable container labeled fiber waste container
How is attenuation measured? - โ โ dB
How is power measured in fiber optics? - โ โ dBM
How should the scoring blade be held, in relation to the fiber, to achieve a good cleave? - โ โ
Perpendicular to the optical fiber
If you have a cross section of a fiber optic cable where is the cladding (center circle, middle, or outer
ring)? - โ โ Middle
In the NEC article 770 it states that unlisted cable shall extend no more than how many feet inside the
structure before transitioning to listed cables? - โ โ 50ft
Light is electromagnetic energy with a (blank) frequency and a (blank) wavelength compared to radio
waves. - โ โ Higher, Shorter
Name 3 ways fiber optics is used today? - โ โ Security, medical, utility
