BICSI Installer 1 Exam with verified detailed answers || || || || || || ||
25-pair color code - ✔✔White - Blue, orange, green, brown, slate
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Red - Blue, orange, green, brown, slate
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Black - Blue, orange, green, brown, slate
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Yellow - Blue, orange, green, brown, slate
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Violet - Blue, orange, green, brown, slate
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Fiber color code - ✔✔Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet,
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Rose, Aqua ||
NVP - ✔✔Nominal Velocity of Propagation
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Insertion loss - ✔✔The difference in the amount of power received before and after
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something is inserted into the circuit. || || || || ||
Resistance - ✔✔Resistance is expressed in Ohms, and is the property of a conductor to resist
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the flow of electricity through it. V=IR
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Inductance - ✔✔Is a property of an electromagnetic field built around a conductor that
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opposes any change in the current flow in a circuit
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Capacitance - ✔✔is a property of conductors that allows storage of electric charges when
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potential differences exist between the conductors.
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Impedance (V) - ✔✔Total opposition of current flow measured in Ohms
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,American Wire Gauge (AWG) - ✔✔A standard rating that indicates the diameter of a wire,
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such as the conducting core of a coaxial cable or the twisted pairs in a UTP cable.
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Megahertz (MHz) - ✔✔one million hertz, especially as a measure of the frequency of
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transmissions
Megabit (Mb) - ✔✔Approximately one million bits. Often used as a measurement of data
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transfer throughput. ||
Bandwidth - ✔✔The amount of data that can be transmitted over a network in a given
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amount of time. || ||
Decibel (dB) - ✔✔A unit used to compare the loudness of different sounds.
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Crosstalk - ✔✔when data bleeds from one pair to another in a cable
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Alien Crosstalk (AXT) - ✔✔Unwanted signal coupling from one permanent link to another
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USOC - ✔✔Universal Service Order Code
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Coaxial cable types - ✔✔Series-6 and Series-11
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Coaxial connectors - ✔✔Series-6 uses BNC and F connectors
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Series-11 uses F and N connectors || || || || ||
Fiber connectors - ✔✔SC, ST, and SST(LC or
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, cladding - ✔✔The glass or plastic shield around the core of a fiber-optic cable. Cladding
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reflects light back to the core in patterns that vary depending on the transmission mode. This
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reflection allows fiber to bend around corners without impairing the light-based signal.
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Multimode Fiber (MMF) - ✔✔Larger core with multiple paths of light. Common for
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backbone and horizontal cabling in buildings. OM2 - Not recommended for new installs.
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OM3 - Higher bandwidth. OM4 - Highest bandwidth for MMF. 2000m/6500ft limitation. 850
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nm and 1300 nm (nanometers)
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Singlemode Fiber - ✔✔Smaller core with only one path of lights. Horizontal, riser, campus
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environments.
9 um core, 125 um cladding.
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OS1 - LAN, tight buffered construction, 1310/1550 nm
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OS2 - Outside Plant, 1310, 1490, 1550, 1625 nm
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3000m/9842ft limtations. ||
Ribbon Fiber - ✔✔Multiple 250 um fibers bonded into a flat color coded ribbon. Can splice a
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bunch at a time. || || ||
Fiber - Tight buffer diameter - ✔✔900 um
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Fiber - Acrylate coating diameter - ✔✔250 um
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OM1 - ✔✔850 nm OFL - 200 MHz•km (3.5dB/km)
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1300 nm - 400 MHz•km (1.5dB/km)
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OM2 - ✔✔850 nm OFL - 500MHz•km (3.5dB/km)
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25-pair color code - ✔✔White - Blue, orange, green, brown, slate
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Red - Blue, orange, green, brown, slate
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Black - Blue, orange, green, brown, slate
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Yellow - Blue, orange, green, brown, slate
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Violet - Blue, orange, green, brown, slate
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Fiber color code - ✔✔Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet,
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Rose, Aqua ||
NVP - ✔✔Nominal Velocity of Propagation
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Insertion loss - ✔✔The difference in the amount of power received before and after
|| || || || || || || || || || || || || ||
something is inserted into the circuit. || || || || ||
Resistance - ✔✔Resistance is expressed in Ohms, and is the property of a conductor to resist
|| || || || || || || || || || || || || || || ||
the flow of electricity through it. V=IR
|| || || || || ||
Inductance - ✔✔Is a property of an electromagnetic field built around a conductor that
|| || || || || || || || || || || || || ||
opposes any change in the current flow in a circuit
|| || || || || || || || ||
Capacitance - ✔✔is a property of conductors that allows storage of electric charges when
|| || || || || || || || || || || || || ||
potential differences exist between the conductors.
|| || || || ||
Impedance (V) - ✔✔Total opposition of current flow measured in Ohms
|| || || || || || || || || ||
,American Wire Gauge (AWG) - ✔✔A standard rating that indicates the diameter of a wire,
|| || || || || || || || || || || || || || ||
such as the conducting core of a coaxial cable or the twisted pairs in a UTP cable.
|| || || || || || || || || || || || || || || ||
Megahertz (MHz) - ✔✔one million hertz, especially as a measure of the frequency of
|| || || || || || || || || || || || || ||
transmissions
Megabit (Mb) - ✔✔Approximately one million bits. Often used as a measurement of data
|| || || || || || || || || || || || || ||
transfer throughput. ||
Bandwidth - ✔✔The amount of data that can be transmitted over a network in a given
|| || || || || || || || || || || || || || || ||
amount of time. || ||
Decibel (dB) - ✔✔A unit used to compare the loudness of different sounds.
|| || || || || || || || || || || ||
Crosstalk - ✔✔when data bleeds from one pair to another in a cable
|| || || || || || || || || || || ||
Alien Crosstalk (AXT) - ✔✔Unwanted signal coupling from one permanent link to another
|| || || || || || || || || || || ||
USOC - ✔✔Universal Service Order Code
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Coaxial cable types - ✔✔Series-6 and Series-11
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Coaxial connectors - ✔✔Series-6 uses BNC and F connectors
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Series-11 uses F and N connectors || || || || ||
Fiber connectors - ✔✔SC, ST, and SST(LC or
|| || || || || || ||
, cladding - ✔✔The glass or plastic shield around the core of a fiber-optic cable. Cladding
|| || || || || || || || || || || || || || ||
reflects light back to the core in patterns that vary depending on the transmission mode. This
|| || || || || || || || || || || || || || || ||
reflection allows fiber to bend around corners without impairing the light-based signal.
|| || || || || || || || || || ||
Multimode Fiber (MMF) - ✔✔Larger core with multiple paths of light. Common for
|| || || || || || || || || || || || ||
backbone and horizontal cabling in buildings. OM2 - Not recommended for new installs.
|| || || || || || || || || || || || ||
OM3 - Higher bandwidth. OM4 - Highest bandwidth for MMF. 2000m/6500ft limitation. 850
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nm and 1300 nm (nanometers)
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Singlemode Fiber - ✔✔Smaller core with only one path of lights. Horizontal, riser, campus
|| || || || || || || || || || || || || ||
environments.
9 um core, 125 um cladding.
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OS1 - LAN, tight buffered construction, 1310/1550 nm
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OS2 - Outside Plant, 1310, 1490, 1550, 1625 nm
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3000m/9842ft limtations. ||
Ribbon Fiber - ✔✔Multiple 250 um fibers bonded into a flat color coded ribbon. Can splice a
|| || || || || || || || || || || || || || || || ||
bunch at a time. || || ||
Fiber - Tight buffer diameter - ✔✔900 um
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Fiber - Acrylate coating diameter - ✔✔250 um
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OM1 - ✔✔850 nm OFL - 200 MHz•km (3.5dB/km)
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1300 nm - 400 MHz•km (1.5dB/km)
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OM2 - ✔✔850 nm OFL - 500MHz•km (3.5dB/km)
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