FIBER OPTICS INSTALLER CERTIFICATION
ACTUAL TEST QUESTIONS WITH
COMPLETE ANSWER KEY
●● Each chemical you use should be accompanied by a/an
Answer: Material Safety Data Sheet (MSDS)
●● What is the best practice for disposing of fiber optic waste?
Answer: Dispose of all fiber optic waste in debris, sealable containers
provided.
●● What year was the first North American fiber optic telephone system
installed?
Answer: 1977
●● What is FDDI?
Answer: Fiber Distributed Data Interface - connector used to link
electronics & fiber transmission LAN systems.
●● Bandwidth can be defined as _________________?
Answer: amount of information or data it can carry in a given amount of
time.
,●● List some advantages of optical fiber cables over copper cables?
Answer: Bandwidth, Electromagnetic Immunity, Weight, Safety, Size,
Attenuation, Security, Upgradable
●● Fiber optic cables are made of _____________ material and are
therefore immune to ________________.
Answer: dielectric, EMI
●● the four basic components of a fiber optic link are the:
Answer: transmitter, receiver, fiber optic cable, connectors
●● LEDs have a relatively ___________ spectral width, while a laser's
spectral width is much _____________.
Answer: wide, narrow
●● A ___________ is the light source used with laser optimized
multimode fiber.
Answer: VCSEL (vertical-cavity surface-emitting laser)
●● The acronym for LASER is?
Answer: Light Amplification by Stimulated Emission of Radiation
, ●● What light source/wavelength is typically utilized in multimode
plastic optical fibers?
Answer: Visible (650 nm LED)
●● What are the multimode operating wavelengths?
Answer: 850nm, 1300nm
●● What light sources are used for multimode transmissions?
Answer: LED, VCSEL
●● What are the single mode operating wavelengths?
Answer: 1310 nm, 1550 nm, 1625 nm
●● What light source is used for single mode transmissions?
Answer: LASER
●● What component in a receiver circuit converts optical signals to
electrical energy?
Answer: Photodiode
●● Combining two or more wavelengths in a single fiber is an example
of?
Answer: Multiplexing
ACTUAL TEST QUESTIONS WITH
COMPLETE ANSWER KEY
●● Each chemical you use should be accompanied by a/an
Answer: Material Safety Data Sheet (MSDS)
●● What is the best practice for disposing of fiber optic waste?
Answer: Dispose of all fiber optic waste in debris, sealable containers
provided.
●● What year was the first North American fiber optic telephone system
installed?
Answer: 1977
●● What is FDDI?
Answer: Fiber Distributed Data Interface - connector used to link
electronics & fiber transmission LAN systems.
●● Bandwidth can be defined as _________________?
Answer: amount of information or data it can carry in a given amount of
time.
,●● List some advantages of optical fiber cables over copper cables?
Answer: Bandwidth, Electromagnetic Immunity, Weight, Safety, Size,
Attenuation, Security, Upgradable
●● Fiber optic cables are made of _____________ material and are
therefore immune to ________________.
Answer: dielectric, EMI
●● the four basic components of a fiber optic link are the:
Answer: transmitter, receiver, fiber optic cable, connectors
●● LEDs have a relatively ___________ spectral width, while a laser's
spectral width is much _____________.
Answer: wide, narrow
●● A ___________ is the light source used with laser optimized
multimode fiber.
Answer: VCSEL (vertical-cavity surface-emitting laser)
●● The acronym for LASER is?
Answer: Light Amplification by Stimulated Emission of Radiation
, ●● What light source/wavelength is typically utilized in multimode
plastic optical fibers?
Answer: Visible (650 nm LED)
●● What are the multimode operating wavelengths?
Answer: 850nm, 1300nm
●● What light sources are used for multimode transmissions?
Answer: LED, VCSEL
●● What are the single mode operating wavelengths?
Answer: 1310 nm, 1550 nm, 1625 nm
●● What light source is used for single mode transmissions?
Answer: LASER
●● What component in a receiver circuit converts optical signals to
electrical energy?
Answer: Photodiode
●● Combining two or more wavelengths in a single fiber is an example
of?
Answer: Multiplexing
