BICSI Installer 1 EXAM STUDY GUIDE
QUESTIONS AND CORRECT ANSWERS
25-pair color code - CORRECT ANSWERS White - Blue, orange, green,
brown, slate
Red - Blue, orange, green, brown, slate
Black - Blue, orange, green, brown, slate
Yellow - Blue, orange, green, brown, slate
Violet - Blue, orange, green, brown, slate
Fiber color code - CORRECT ANSWERS Blue, Orange, Green, Brown,
Slate, White, Red, Black, Yellow, Violet, Rose, Aqua
NVP - CORRECT ANSWERS Nominal Velocity of Propagation
Insertion loss - CORRECT ANSWERS The difference in the amount of
power received before and after something is inserted into the circuit.
Resistance - CORRECT ANSWERS Resistance is expressed in Ohms,
and is the property of a conductor to resist the flow of electricity through it.
V=IR
Inductance - CORRECT ANSWERS Is a property of an electromagnetic
field built around a conductor that opposes any change in the current flow in a
circuit
Capacitance - CORRECT ANSWERS is a property of conductors that
allows storage of electric charges when potential differences exist between the
conductors.
,Impedance (V) - CORRECT ANSWERS Total opposition of current flow
measured in Ohms
American Wire Gauge (AWG) - CORRECT ANSWERS 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) - CORRECT ANSWERS one million hertz, especially
as a measure of the frequency of transmissions
Megabit (Mb) - CORRECT ANSWERS Approximately one million bits.
Often used as a measurement of data transfer throughput.
Bandwidth - CORRECT ANSWERS The amount of data that can be
transmitted over a network in a given amount of time.
Decibel (dB) - CORRECT ANSWERS A unit used to compare the
loudness of different sounds.
Crosstalk - CORRECT ANSWERS when data bleeds from one pair to
another in a cable
Alien Crosstalk (AXT) - CORRECT ANSWERS Unwanted signal
coupling from one permanent link to another
USOC - CORRECT ANSWERS Universal Service Order Code
Coaxial cable types - CORRECT ANSWERS Series-6 and Series-11
, Coaxial connectors - CORRECT ANSWERS Series-6 uses BNC and F
connectors
Series-11 uses F and N connectors
Fiber connectors - CORRECT ANSWERS SC, ST, and SST(LC or
cladding - CORRECT ANSWERS 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) - CORRECT ANSWERS 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 nm and 1300
nm (nanometers)
Singlemode Fiber - CORRECT ANSWERS Smaller core with only one
path of lights. Horizontal, riser, campus environments.
9 um core, 125 um cladding.
OS1 - LAN, tight buffered construction, 1310/1550 nm
OS2 - Outside Plant, 1310, 1490, 1550, 1625 nm
3000m/9842ft limtations.
Ribbon Fiber - CORRECT ANSWERS Multiple 250 um fibers bonded
into a flat color coded ribbon. Can splice a bunch at a time.
Fiber - Tight buffer diameter - CORRECT ANSWERS 900 um
Fiber - Acrylate coating diameter - CORRECT ANSWERS 250 um
QUESTIONS AND CORRECT ANSWERS
25-pair color code - CORRECT ANSWERS White - Blue, orange, green,
brown, slate
Red - Blue, orange, green, brown, slate
Black - Blue, orange, green, brown, slate
Yellow - Blue, orange, green, brown, slate
Violet - Blue, orange, green, brown, slate
Fiber color code - CORRECT ANSWERS Blue, Orange, Green, Brown,
Slate, White, Red, Black, Yellow, Violet, Rose, Aqua
NVP - CORRECT ANSWERS Nominal Velocity of Propagation
Insertion loss - CORRECT ANSWERS The difference in the amount of
power received before and after something is inserted into the circuit.
Resistance - CORRECT ANSWERS Resistance is expressed in Ohms,
and is the property of a conductor to resist the flow of electricity through it.
V=IR
Inductance - CORRECT ANSWERS Is a property of an electromagnetic
field built around a conductor that opposes any change in the current flow in a
circuit
Capacitance - CORRECT ANSWERS is a property of conductors that
allows storage of electric charges when potential differences exist between the
conductors.
,Impedance (V) - CORRECT ANSWERS Total opposition of current flow
measured in Ohms
American Wire Gauge (AWG) - CORRECT ANSWERS 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) - CORRECT ANSWERS one million hertz, especially
as a measure of the frequency of transmissions
Megabit (Mb) - CORRECT ANSWERS Approximately one million bits.
Often used as a measurement of data transfer throughput.
Bandwidth - CORRECT ANSWERS The amount of data that can be
transmitted over a network in a given amount of time.
Decibel (dB) - CORRECT ANSWERS A unit used to compare the
loudness of different sounds.
Crosstalk - CORRECT ANSWERS when data bleeds from one pair to
another in a cable
Alien Crosstalk (AXT) - CORRECT ANSWERS Unwanted signal
coupling from one permanent link to another
USOC - CORRECT ANSWERS Universal Service Order Code
Coaxial cable types - CORRECT ANSWERS Series-6 and Series-11
, Coaxial connectors - CORRECT ANSWERS Series-6 uses BNC and F
connectors
Series-11 uses F and N connectors
Fiber connectors - CORRECT ANSWERS SC, ST, and SST(LC or
cladding - CORRECT ANSWERS 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) - CORRECT ANSWERS 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 nm and 1300
nm (nanometers)
Singlemode Fiber - CORRECT ANSWERS Smaller core with only one
path of lights. Horizontal, riser, campus environments.
9 um core, 125 um cladding.
OS1 - LAN, tight buffered construction, 1310/1550 nm
OS2 - Outside Plant, 1310, 1490, 1550, 1625 nm
3000m/9842ft limtations.
Ribbon Fiber - CORRECT ANSWERS Multiple 250 um fibers bonded
into a flat color coded ribbon. Can splice a bunch at a time.
Fiber - Tight buffer diameter - CORRECT ANSWERS 900 um
Fiber - Acrylate coating diameter - CORRECT ANSWERS 250 um
