©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
BICSI IN101 Exam study Guide.
Professionalism - answer✔the competence or skill expected of a professional (How you look,
sound, and feel)
Actions of a professional - answer✔Refrain from acts that cause background checks, time
management, avoid arguments, park appropriot, do not steal time
Principle of transmission - answer✔The movement of information in either analog or digital
form through copper conductors and fiber strands
AC - answer✔Alternating current
Analog signal - answer✔A signal in the form of a wave using continuous variations of physical
characteristics (constant voltage)
Bandwidth - answer✔A range of frequencies available for signaling expressed in hertz (potential
capacity of signals traveling at once)
Bel - answer✔A ratio for analog signal strength (10 dBs)
Current (I) - answer✔The flow of electrons in a conductor (Amps)
Decibel (dB) - answer✔A ratio for analog signal strength (1/10 BEL)
DC - answer✔Direct current
Digital signal - answer✔Signal in the form of sequences of discrete pulses (binary signal)
EMI - answer✔Electromagnetic interference
Frequency - answer✔The number of cycles that a signal completes in a given time
Hertz (Hz) - answer✔standard for measurement used for measuring frequency in cycles per
second. (60 Hz = 60 completed cycles per second)
Power (P) - answer✔The amount of energy transferred per unit time required to operate a
device
1|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Volt (V) - answer✔A unit of measurement for electromotive force
Copper cabling - answer✔Most common media for data transmission. Data is transmitted as
electrical pulses. (Cat 5, Cat 5e, Cat 6)
Attenuation - answer✔The loss or weakening of a signal between two point expressed in dBs (a
ratio of signal sent and signal received)
AWG - answer✔American wire gauge
Balanced twisted pair - answer✔A type of wiring where a pair of conductors continually twist
inside the cable to reduce or eliminate the possibility of EMI from other conductors in the cable
(blue and blue white will be twisted together)
Capacitance - answer✔the ability of a conductor to store electrical energy
coaxial cable - answer✔Cabling with a central metallic inner conductor and a separated
enclosed outer conductor by a dielectric material like a metallic braid
Crosstalk - answer✔Unwanted transfer of a signals electromagnetic energy (blue interfering
with orange)
Impedance (Z) - answer✔The total opposition that a circuit cable or compound offers to the
flow of altering current (measured in ohms)
Inductance - answer✔The property of an electrical force field built around a conductor when
current flows through it
Insertion loss - answer✔The signal loss resulting from the insertion of a component
(attenuation when a new signal is transmitted)
NVP - answer✔Nominal velocity of propagation (coefficient used to determine the speed of
transmission relative to the speed of light)
Ohm (R) - answer✔The measure of electrical resistance
Ohms law - answer✔The mathematical relationship among electrical current resistance and
voltage
Ohms law formula - answer✔V
I|R
Resistance - answer✔A measurement of opposition a material offers to the flow of direct
current (measured in ohms)
2|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Return loss - answer✔A ratio of the power of the outgoing signal to the power of the reflected
signal
USOC - answer✔Universal service order code
Optical fiber cabling - answer✔Transmits data modulated as light pulses
The advantages of fiber - answer✔Fiber has greater bandwidth, can carry signals over greater
distances, and less susceptible to EMI
Attenuation - answer✔The loss or weakening of a signal between two point expressed in dBs (a
ratio of signal sent and signal received)
Bandwidth - answer✔A range of frequencies available for signaling expressed in hertz (potential
capacity of signals traveling at once)
Cable loss - answer✔The attenuation of a signal as it passes through optical fiber cable
Cladding - answer✔The outer concentric glass layer that surrounds the fibers core and has a
lower index of refraction
Dispersion - answer✔The loss of signal resulting from the scattering of light pulses (The
widening or spreading out of the modes)
Ferrule - answer✔The alignment sleeve portion of an optical connector
FC - answer✔Fiber connector
Furcating harness - answer✔And assembly used to increase the effective outer diameter of
strands (also called a fan out)
Insertion loss - answer✔The signal loss resulting from the insertion of a component
(attenuation when a new signal is transmitted)
LC Connector - answer✔Lucent Connector A SFF Single fiber connector used for termination of
both multi mode and single mode (most common)
Multimode optical fiber - answer✔Wave guide that allows many bound modes to propagate
(typically used for short distances)
Optical fiber - answer✔The transmission of media using thin glass to transmit signal via light
pulses
SFF - answer✔Small Form Factor (physical fiber connectors and adapters)
SC - answer✔Subscriber connector
3|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Optical fiber color codes - answer✔Blue orange green brown slate white red black yellow violet
rose aqua
How is the second set of 12 fibers color coordinated - answer✔Same color code with an
additional black strip (black is stripped with yellow)
Reflection - answer✔Light bouncing off the surface of something
Refraction - answer✔Light bending as it passes through something
Total internal refraction - answer✔Light stays trapped inside a barrier and continues to travel
forward bouncing back-and-forth off the barrier
Index of refraction (IOR) - answer✔The ratio of velocity of light in a vacuum to there in a
medium
Speed of light (in a vacuum) - answer✔300,000 km/s 186,000 mi/s
Index of refraction in water - answer✔1.3 (225,000 km/s)
Index of refraction in glass - answer✔1.5 (200,000 km/s)
Nm - answer✔Nanometers
Single mode wavelengths - answer✔Typically 1310nm & 1550nm
Multimode wave links - answer✔Typically 850nm (most popular) & 1300nm
Single mode course size - answer✔9 µm core (micrometers)
Multi mode courses size - answer✔62.5 µm or 50 µm (micrometers)
Single mode and multi mode cladding size - answer✔125 µm (micrometers)
DB loss per kilometer in 1310 (singlemode) wavelength - answer✔0.35
DB loss per kilometer in 1550 (Singlemode) wavelength - answer✔0.22
DB loss per kilometer in 850 (Multimode) wavelength - answer✔3.0
DB loss per kilometer in 1300 (Multimode) wavelength - answer✔1.0
DB loss per splice - answer✔.01 (typically)
DB loss per connector - answer✔.75 (typically)
Acrylic buffer - answer✔The layer around the cladding that is stripped off
4|Page
ALL RIGHTS RESERVED.
BICSI IN101 Exam study Guide.
Professionalism - answer✔the competence or skill expected of a professional (How you look,
sound, and feel)
Actions of a professional - answer✔Refrain from acts that cause background checks, time
management, avoid arguments, park appropriot, do not steal time
Principle of transmission - answer✔The movement of information in either analog or digital
form through copper conductors and fiber strands
AC - answer✔Alternating current
Analog signal - answer✔A signal in the form of a wave using continuous variations of physical
characteristics (constant voltage)
Bandwidth - answer✔A range of frequencies available for signaling expressed in hertz (potential
capacity of signals traveling at once)
Bel - answer✔A ratio for analog signal strength (10 dBs)
Current (I) - answer✔The flow of electrons in a conductor (Amps)
Decibel (dB) - answer✔A ratio for analog signal strength (1/10 BEL)
DC - answer✔Direct current
Digital signal - answer✔Signal in the form of sequences of discrete pulses (binary signal)
EMI - answer✔Electromagnetic interference
Frequency - answer✔The number of cycles that a signal completes in a given time
Hertz (Hz) - answer✔standard for measurement used for measuring frequency in cycles per
second. (60 Hz = 60 completed cycles per second)
Power (P) - answer✔The amount of energy transferred per unit time required to operate a
device
1|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Volt (V) - answer✔A unit of measurement for electromotive force
Copper cabling - answer✔Most common media for data transmission. Data is transmitted as
electrical pulses. (Cat 5, Cat 5e, Cat 6)
Attenuation - answer✔The loss or weakening of a signal between two point expressed in dBs (a
ratio of signal sent and signal received)
AWG - answer✔American wire gauge
Balanced twisted pair - answer✔A type of wiring where a pair of conductors continually twist
inside the cable to reduce or eliminate the possibility of EMI from other conductors in the cable
(blue and blue white will be twisted together)
Capacitance - answer✔the ability of a conductor to store electrical energy
coaxial cable - answer✔Cabling with a central metallic inner conductor and a separated
enclosed outer conductor by a dielectric material like a metallic braid
Crosstalk - answer✔Unwanted transfer of a signals electromagnetic energy (blue interfering
with orange)
Impedance (Z) - answer✔The total opposition that a circuit cable or compound offers to the
flow of altering current (measured in ohms)
Inductance - answer✔The property of an electrical force field built around a conductor when
current flows through it
Insertion loss - answer✔The signal loss resulting from the insertion of a component
(attenuation when a new signal is transmitted)
NVP - answer✔Nominal velocity of propagation (coefficient used to determine the speed of
transmission relative to the speed of light)
Ohm (R) - answer✔The measure of electrical resistance
Ohms law - answer✔The mathematical relationship among electrical current resistance and
voltage
Ohms law formula - answer✔V
I|R
Resistance - answer✔A measurement of opposition a material offers to the flow of direct
current (measured in ohms)
2|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Return loss - answer✔A ratio of the power of the outgoing signal to the power of the reflected
signal
USOC - answer✔Universal service order code
Optical fiber cabling - answer✔Transmits data modulated as light pulses
The advantages of fiber - answer✔Fiber has greater bandwidth, can carry signals over greater
distances, and less susceptible to EMI
Attenuation - answer✔The loss or weakening of a signal between two point expressed in dBs (a
ratio of signal sent and signal received)
Bandwidth - answer✔A range of frequencies available for signaling expressed in hertz (potential
capacity of signals traveling at once)
Cable loss - answer✔The attenuation of a signal as it passes through optical fiber cable
Cladding - answer✔The outer concentric glass layer that surrounds the fibers core and has a
lower index of refraction
Dispersion - answer✔The loss of signal resulting from the scattering of light pulses (The
widening or spreading out of the modes)
Ferrule - answer✔The alignment sleeve portion of an optical connector
FC - answer✔Fiber connector
Furcating harness - answer✔And assembly used to increase the effective outer diameter of
strands (also called a fan out)
Insertion loss - answer✔The signal loss resulting from the insertion of a component
(attenuation when a new signal is transmitted)
LC Connector - answer✔Lucent Connector A SFF Single fiber connector used for termination of
both multi mode and single mode (most common)
Multimode optical fiber - answer✔Wave guide that allows many bound modes to propagate
(typically used for short distances)
Optical fiber - answer✔The transmission of media using thin glass to transmit signal via light
pulses
SFF - answer✔Small Form Factor (physical fiber connectors and adapters)
SC - answer✔Subscriber connector
3|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Optical fiber color codes - answer✔Blue orange green brown slate white red black yellow violet
rose aqua
How is the second set of 12 fibers color coordinated - answer✔Same color code with an
additional black strip (black is stripped with yellow)
Reflection - answer✔Light bouncing off the surface of something
Refraction - answer✔Light bending as it passes through something
Total internal refraction - answer✔Light stays trapped inside a barrier and continues to travel
forward bouncing back-and-forth off the barrier
Index of refraction (IOR) - answer✔The ratio of velocity of light in a vacuum to there in a
medium
Speed of light (in a vacuum) - answer✔300,000 km/s 186,000 mi/s
Index of refraction in water - answer✔1.3 (225,000 km/s)
Index of refraction in glass - answer✔1.5 (200,000 km/s)
Nm - answer✔Nanometers
Single mode wavelengths - answer✔Typically 1310nm & 1550nm
Multimode wave links - answer✔Typically 850nm (most popular) & 1300nm
Single mode course size - answer✔9 µm core (micrometers)
Multi mode courses size - answer✔62.5 µm or 50 µm (micrometers)
Single mode and multi mode cladding size - answer✔125 µm (micrometers)
DB loss per kilometer in 1310 (singlemode) wavelength - answer✔0.35
DB loss per kilometer in 1550 (Singlemode) wavelength - answer✔0.22
DB loss per kilometer in 850 (Multimode) wavelength - answer✔3.0
DB loss per kilometer in 1300 (Multimode) wavelength - answer✔1.0
DB loss per splice - answer✔.01 (typically)
DB loss per connector - answer✔.75 (typically)
Acrylic buffer - answer✔The layer around the cladding that is stripped off
4|Page
