CERTIFIED FIBER OPTICS FINAL EXAM 2
VERSIONS (VERSION A AND B) 2025/2026
BANK COMPLETE 500 QUESTIONS WITH
DETAILED VERIFIED ANSWERS /ALREADY
GRADED A+
If the cable has metallic members, what does the NEC
require at termination points?
a. Cable strain relief
b. Bonding to ground
с. Proper bend radius
d. Heat shrink exposed elements
Bonding to ground
Per the NEC, what is the maximum fill ratio percentage
by cross-sectional area for a conduit with one cable?
a. 31%
b. 40%
c. 50%
d. 53%
53%
,When installing cable, it is recommended that be available
for future changes and restorations.
a. Slack
b. Splices
c. Personnel
d. Connectors
Slack
Installers must consider which of the following when
installing fiber optic cables?
a. Building codes
b. Altitude and humidity
c. Topology
d. Geology
Building codes
When is a splice enclosure used?
A. Whenever a fiber has been spliced
В. When a splice must be placed underground
C. When a splice must be placed underwater
D. Splice enclosures are optional.
Whenever a fiber has been spliced
,What instrument is used for testing of fiber spans and
includes Loss per kilometer and total distance of span
measurements.
A. Optical loss test sets
В. Optical spectrum analyzer
C. Optical time domain reflectometer
D. Optical channel checkers
Optical time domain reflectometer
Article_____ requires grounding or isolation for Any fiber
optic cable entering a building with conductive, non-
current-carrying components
770
What instrument is used for the visual inspection of fiber
optic endfaces?
Inspection microscope
A continuity tester tests only for in the optical fiber.
a. Macrobends
b. Microbends
c. Breaks
d. Wavelengths
Breaks
, When preparing to install a fiber optic cable in conduit
you must be aware of the maximum _____ ratio
percentage by cross-sectional area as defined in the NEC.
Fill
the applications of optical fiber communications have
increased at a rapid rate, since the first commercial
instillation of a fiber optic system in the -
....ANSWER...1970's
The loss of a signal strength is called -
....ANSWER...attenuation
A single binary digit Is called a - ....ANSWER...Bit
An eight bit group is called a - ....ANSWER...Bite
The _______ is used to express gain or loss in a fiber optic
system or component - ....ANSWER...Decibel
1mw of power is ___dbm - ....ANSWER...0 dbm
VERSIONS (VERSION A AND B) 2025/2026
BANK COMPLETE 500 QUESTIONS WITH
DETAILED VERIFIED ANSWERS /ALREADY
GRADED A+
If the cable has metallic members, what does the NEC
require at termination points?
a. Cable strain relief
b. Bonding to ground
с. Proper bend radius
d. Heat shrink exposed elements
Bonding to ground
Per the NEC, what is the maximum fill ratio percentage
by cross-sectional area for a conduit with one cable?
a. 31%
b. 40%
c. 50%
d. 53%
53%
,When installing cable, it is recommended that be available
for future changes and restorations.
a. Slack
b. Splices
c. Personnel
d. Connectors
Slack
Installers must consider which of the following when
installing fiber optic cables?
a. Building codes
b. Altitude and humidity
c. Topology
d. Geology
Building codes
When is a splice enclosure used?
A. Whenever a fiber has been spliced
В. When a splice must be placed underground
C. When a splice must be placed underwater
D. Splice enclosures are optional.
Whenever a fiber has been spliced
,What instrument is used for testing of fiber spans and
includes Loss per kilometer and total distance of span
measurements.
A. Optical loss test sets
В. Optical spectrum analyzer
C. Optical time domain reflectometer
D. Optical channel checkers
Optical time domain reflectometer
Article_____ requires grounding or isolation for Any fiber
optic cable entering a building with conductive, non-
current-carrying components
770
What instrument is used for the visual inspection of fiber
optic endfaces?
Inspection microscope
A continuity tester tests only for in the optical fiber.
a. Macrobends
b. Microbends
c. Breaks
d. Wavelengths
Breaks
, When preparing to install a fiber optic cable in conduit
you must be aware of the maximum _____ ratio
percentage by cross-sectional area as defined in the NEC.
Fill
the applications of optical fiber communications have
increased at a rapid rate, since the first commercial
instillation of a fiber optic system in the -
....ANSWER...1970's
The loss of a signal strength is called -
....ANSWER...attenuation
A single binary digit Is called a - ....ANSWER...Bit
An eight bit group is called a - ....ANSWER...Bite
The _______ is used to express gain or loss in a fiber optic
system or component - ....ANSWER...Decibel
1mw of power is ___dbm - ....ANSWER...0 dbm
