NCTI Fiber Testing & Maintenance Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
What type of interface is common USB
on
new-generation optical meters?
Optical power meters used for 1490, 1550, and 1577
testing FTTx installations
operating
downstream from the headend
should be calibrated for which
wavelengths?
Besides a stabilized light source, An ORL meter
an
enhanced optical power meter,
and
an optical talk set, what else do
optical loss test sets include in
their
combined features?
What do most optical power Annual calibration that is traceable to the
meters NIST
require when measuring transmit
and
receive power?
,What must be done first when The light source and optical power meter
measuring end-to-end attenuation must be
using the optical power meter? referenced together before taking
measurements
What do most models of laser light Controls for turning the light source on and
sources use as operational status off,
indicators? selecting the laser wavelength for testing,
and
selecting the modulation signals; display
indicators
for the selected wavelength, mode of
operation,
battery status, and power source.
What occurs when a laser light A 2-kHz modulation provides a test signal
source is used with an optical fiber allowing
identifier to test fibers? the fiber under test to be detected by the
optical
fiber identifier.
Besides determining whether the The direction from which the light is
light is on fiber and the light is coming.
modulated and carrying traffic,
what
does is the third function the
optical
fiber identifiers determine?
, Which of the following statements Standard environmental specifications for
is laser
accurate regarding laser light light sources range from 13°F to 130°F for
source operating
specifications? temperatures and - 19°F to 158°F for
storage
temperatures.
What visually represents the The waveform
optical
fiber's attenuation characteristics
and
the OTDR setup?
What are the most common 1310 and 1550
single-
mode wavelengths used by
OTDR?
Which class of optical transmitters Class 1
is
the safest for the human eye?
What is unique to a fiber break It is the least expensive type of OTDR.
locator?
Which of the following is an DWDM
additional option for a full-feature
OTDR:
Questions and Answers with Verified
Solutions | Latest Updated 2026
What type of interface is common USB
on
new-generation optical meters?
Optical power meters used for 1490, 1550, and 1577
testing FTTx installations
operating
downstream from the headend
should be calibrated for which
wavelengths?
Besides a stabilized light source, An ORL meter
an
enhanced optical power meter,
and
an optical talk set, what else do
optical loss test sets include in
their
combined features?
What do most optical power Annual calibration that is traceable to the
meters NIST
require when measuring transmit
and
receive power?
,What must be done first when The light source and optical power meter
measuring end-to-end attenuation must be
using the optical power meter? referenced together before taking
measurements
What do most models of laser light Controls for turning the light source on and
sources use as operational status off,
indicators? selecting the laser wavelength for testing,
and
selecting the modulation signals; display
indicators
for the selected wavelength, mode of
operation,
battery status, and power source.
What occurs when a laser light A 2-kHz modulation provides a test signal
source is used with an optical fiber allowing
identifier to test fibers? the fiber under test to be detected by the
optical
fiber identifier.
Besides determining whether the The direction from which the light is
light is on fiber and the light is coming.
modulated and carrying traffic,
what
does is the third function the
optical
fiber identifiers determine?
, Which of the following statements Standard environmental specifications for
is laser
accurate regarding laser light light sources range from 13°F to 130°F for
source operating
specifications? temperatures and - 19°F to 158°F for
storage
temperatures.
What visually represents the The waveform
optical
fiber's attenuation characteristics
and
the OTDR setup?
What are the most common 1310 and 1550
single-
mode wavelengths used by
OTDR?
Which class of optical transmitters Class 1
is
the safest for the human eye?
What is unique to a fiber break It is the least expensive type of OTDR.
locator?
Which of the following is an DWDM
additional option for a full-feature
OTDR:
