Download BICSI Installer 1 Exam Questions and Answers: A Comprehensive Guide to Network Cabling and more Exams Information and Communications Technology (ICT) in PDF only on Docsity!
BICSI INSTALLER 1 EXAM QUESTIONS AND VERIFIED ANSWERS
“25-pair color code - CORRECT ANSWER 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 ANSWER Blue, Orange, Green, Brown, Slate, White, Red, Black,
Yellow, Violet, Rose, Aqua"
"NVP - CORRECT ANSWER Nominal Velocity of Propagation"
"Insertion loss - CORRECT ANSWER The difference in the amount of power received before
and after something is inserted into the circuit."
"Resistance - CORRECT ANSWER Resistance is expressed in Ohms, and is the property of a
conductor to resist the flow of electricity through it. V=IR"
"Inductance - CORRECT ANSWER Is a property of an electromagnetic field built around a
conductor that opposes any change in the current flow in a circuit"
"Capacitance - CORRECT ANSWER is a property of conductors that allows storage of electric
charges when potential differences exist between the conductors."
"Impedance (V) - CORRECT ANSWER Total opposition of current flow measured in Ohms"
"American Wire Gauge (AWG) - CORRECT ANSWER 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 ANSWER one million hertz, especially as a measure of the
frequency of transmissions"
"Megabit (Mb) - CORRECT ANSWER Approximately one million bits. Often used as a
measurement of data transfer throughput."
"Bandwidth - CORRECT ANSWER The amount of data that can be transmitted over a network
in a given amount of time."
"Decibel (dB) - CORRECT ANSWER A unit used to compare the loudness of different sounds."
"Crosstalk - CORRECT ANSWER when data bleeds from one pair to another in a cable"
"Alien Crosstalk (AXT) - CORRECT ANSWER Unwanted signal coupling from one permanent
link to another"
"USOC - CORRECT ANSWER Universal Service Order Code"
"Coaxial cable types - CORRECT ANSWER Series-6 and Series-11"
"Coaxial connectors - CORRECT ANSWER Series-6 uses BNC and F connectors
Series-11 uses F and N connectors"
"Fiber connectors - CORRECT ANSWER SC, ST, and SST(LC or"
"cladding - CORRECT ANSWER 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 ANSWER 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 ANSWER 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 ANSWER Multiple 250 um fibers bonded into a flat color coded
ribbon. Can splice a bunch at a time."
"Small Form Factor (SFF) - CORRECT ANSWER LC and MU"
"an example of array connectors... - CORRECT ANSWER MPO
Can terminate 6-72 optical fibers into a single ferrule"
"Ohm's Law - CORRECT ANSWER V=IR"
"Typical balanced twisted pair cable - CORRECT ANSWER 100 Ohms
UTP
4 pairs blue, orange, green, brown (tip/ring)"
"8P8C -B pinout - CORRECT ANSWER White/orange
Orange White/green Blue White/blue Green White/brown Brown"
"Simplex - CORRECT ANSWER A type of transmission in which signals may travel in only one
direction over a medium."
"Half Duplex - CORRECT ANSWER Communication between two devices whereby
transmission takes place in only one direction at a time."
"Full Duplex - CORRECT ANSWER Communication that happens in two directions at the same
time." "1 cycle 60 cycles 1000 cycles 1 million cycles 1 billion cycles
1 trillion cycles - CORRECT ANSWER 1 Hz
60 Hz 1 KHz 1 MHz
1 GHz 1 THz"
"Voltage, current, and amperes - CORRECT ANSWER P(Power)=V(voltage) x I(Current)"
"What is bandwidth expressed in - CORRECT ANSWER analog frequencies (0Hz to 1MHz)"
"AWG - CORRECT ANSWER Smaller number - bigger wire
Higher number - smaller wire"
"A balanced twisted pair has... - CORRECT ANSWER a nominal characteristic impedance of 100
Ohms"
"A unbalanced coaxial cable has... - CORRECT ANSWER a nominal characteristic impedance of
75 Ohms" "Category 3 Category 5e Category 6 Category 6A
Category 8 - CORRECT ANSWER 16 MHz
100 MHz 250 MHz 500 MHz 2000 MHz"
"8P8C -A pinout - CORRECT ANSWER White/green
Green White/Orange Blue White/blue Orange White/brown Brown"
"USOC RJ-61 pinout - CORRECT ANSWER White/brown
White/green White/orange Blue
"What are three ways to minimize EMI? - CORRECT ANSWER Using shielded cable (STP)
Using fiber instead of copper Putting the cable in conduit (shielded pathway)"
"1 sine wave = _ - CORRECT ANSWER 1 Hz"
"The number of cycles a signal is repeated in a given time period is defined as the _ - CORRECT
ANSWER Frequency"
"10,000 MHz = _ GHz - CORRECT ANSWER 10"
"An analog signal varies in what two aspects? - CORRECT ANSWER amplitude and frequency"
"What device converts a computers digital signals into 1s and 0s into two separate analog
frequencies for transmission on a standard telephone line? - CORRECT ANSWER Modem"
"What type of coaxial cable is used for video in backbone distribution? - CORRECT ANSWER
Series 11"
"What type of BNC connector is not recommended for any install? - CORRECT ANSWER Screw
on" "What type of coaxial connector cannot be used with cables that have stranded center
conductors? - CORRECT ANSWER F connectors"
"What type of construction allows the cable jacket to expand and contract with changes in
temperature without affecting the fibers? - CORRECT ANSWER Loose tube"
"What are the two ways of coupling fibers? - CORRECT ANSWER plug to plug
plug to jack"
"Hierarchy of codes, standards, and regulations - CORRECT ANSWER AHJ
Codes and regulations Standards Industry best practices Manufacturer instructions"
"What are the two common depths for telecommunications racks? - CORRECT ANSWER 4 inch
and 6 inch"
"a _ conduit terminates in a vertical orientation - CORRECT ANSWER stub-up"
"a _ conduit terminates in a horizontal orientation - CORRECT ANSWER stub-out"
"How many backbone levels are in a horizontal cabling system? - CORRECT ANSWER 2 levels"
"What is the minimum number of cables per work area? - CORRECT ANSWER 2, voice and
data"
"What is the maximum length of a patch cord? - CORRECT ANSWER 16.5 ft"
"What is the maximum length of a horizontal optical fiber cable? - CORRECT ANSWER 295 ft"
"Undercarpet cable is - CORRECT ANSWER not recommended"
"Whats the purpose of a consolidation point (CP)? - CORRECT ANSWER allows horizontal
cabling to be extended into work area pathways"
"Tags - CORRECT ANSWER attached to mounting surface"
"Label - CORRECT ANSWER consist of face stock material"
"Which term identifies where the service provider relinquishes circuit responsibility to the
customer - CORRECT ANSWER Demarcation Point"
"Where do outside plant (OSP) cables enter the building? - CORRECT ANSWER Entrance
Facility (EF)"
"What is the most economical permanent entrance over the life cycle of a building? - CORRECT
ANSWER underground"
"What service entrance has the lowest installation cost? - CORRECT ANSWER aerial"
"What type of ladder should be using near electrical work? - CORRECT ANSWER non-
conductive (i.e. fiberglass)"
"What can be used to minimize cables twisting and wrapping around themselves during a pull? -
CORRECT ANSWER swivel"
"What is the maximum pulling tension for a 4-pair UTP cable? - CORRECT ANSWER 25 Lbs"
"What is the recommended method for attaching a pull string to a horizontal copper cables? -
CORRECT ANSWER at least 3 half hitches"
"What should be used to secure backbone cable in a vertical pathway? - CORRECT ANSWER
wire-mesh grip"
"What is the preferred method for attaching loose tube fiber optic cables to a pull rope? -
CORRECT ANSWER wire-mesh grip"
"What is the recommended method of balanced twisted pair terminations? - CORRECT
ANSWER Insulation Displacement Connector (IDC)"
"Which termination configuration uses drain wires? - CORRECT ANSWER STP"
"Sheath removal tools - CORRECT ANSWER Ringer, Slitter, Snips*"
"What pair counts are 110 hardware frames available in? - CORRECT ANSWER 50, 100, 300,
"What pair counts are BIX hardware frames available in? - CORRECT ANSWER 50, 250, 300,
"Orange cable means - CORRECT ANSWER Demarc"
"Green cable means - CORRECT ANSWER network connections"
"Purple cable means - CORRECT ANSWER common equipment"
"White cable means - CORRECT ANSWER first-level backbone"
"Gray cable means - CORRECT ANSWER second-level backbone"
"Blue cable means - CORRECT ANSWER horizontal cabling"
"Brown cable means - CORRECT ANSWER interbuilding backbone"
"Yellow cable means - CORRECT ANSWER misc."
"Red cable means - CORRECT ANSWER reserved for future use"
"Bus topology - CORRECT ANSWER a linear configuration that places all of the network
devices on one cable (daisy-chain)"
"Tree topology - CORRECT ANSWER extension of a bus topology"
"Ring topology - CORRECT ANSWER places all the network devices in a circle and uses one
cable to connect between devices. Each device is connected to the next one until the circle is closed."
"Star topology - CORRECT ANSWER network switch is placed in the center of the network and
the devices connect to the switch."
"Hierarchical star topology - CORRECT ANSWER A network topology created when two or
more star topologies are merged using network devices such as hubs, switches, or routers. Recommended for structured cabling backbone distribution."
"When checking the 'ABCs' of an injured person what are you looking for? - CORRECT ANSWER
A- Airway B- Breathing C- Circulation (pulse)"
"What are the steps to take in an emergency? - CORRECT ANSWER Survey the scene
Notify someone Secure the area Complete a primary survey of the injured person Contact emergency medical services Complete a second survey of the injured person"
"What type of conduit uses compression like couplers - CORRECT ANSWER EMT"
"What are the two phases of a turnover? - CORRECT ANSWER flashed and phased"
"Tester level 1 - CORRECT ANSWER Category 3 and 4"
"Tester level 2 - CORRECT ANSWER Category 5"
"Tester level 2e - CORRECT ANSWER Category 5e"
"Tester level 3 - CORRECT ANSWER Category 6"
"Tester level 3e - CORRECT ANSWER Category 6a"
"What are the steps in trouble shooting copper cables? - CORRECT ANSWER -verifying the
problem -isolating the source of the problem -repairing the problem -testing the repaired system to ensure it functions properly"
"What are the three phases of testing? - CORRECT ANSWER Phase 1 - visual verification
Phase 2 - testing cables with correct equipment Phase 3 - documentation"
"What are the uses of a TDR - CORRECT ANSWER identify cable defects, splices, and
connectors"
"Is a high or low L rating better for fire stopping - CORRECT ANSWER low"
"What are the three basic properties associated with non-mechanical fire stopping? - CORRECT
ANSWER intumescent
endothermic ablative"
"What is the main property associated with mechanical fire stopping? - CORRECT ANSWER
Elastomeric"
"What is the most common fire protection principle? - CORRECT ANSWER
Compartmentation"
"Fire safety must provide - CORRECT ANSWER containment
detection suppressant" "What property allows a fire stop to develop a hard char and become rigid when exposed to heat?
- CORRECT ANSWER ablative" What is the property of an electrical conductor carrying either AC or DC to oppose any change to
that current flow due to an electrical field? - CORRECT ANSWER Inductance"
"What is the property of a conductor that allows the storage of an electrical charge? - CORRECT
ANSWER Capacitance"
"What unit of measurement is used for resistance? - CORRECT ANSWER Ohms"
"What unit of measurement is used for Inductance? - CORRECT ANSWER Henry"
"What unit of measurement is used for Capacitance? - CORRECT ANSWER Farad"
"What is One Millionth of a Farad? - CORRECT ANSWER Micro-Farad"
"What is One Billionth of a Farad? - CORRECT ANSWER Nano-Farad"
"What is One Trillionth of a Farad? - CORRECT ANSWER Pico-Farad"
"What is the ratio of speed of light through a cable, relative to the speed in a vacuum? -
CORRECT ANSWER NVP - Nominal Velocity of Propagation"
"What is the formula for Ohms Law? - CORRECT ANSWER V=IR"
"What is the Bandwidth of Cat3 Cable? - CORRECT ANSWER 16Mhz"
"What is the Bandwidth of Cat5e Cable? - CORRECT ANSWER 100Mhz"
"What is the Bandwidth of Cat6 Cable? - CORRECT ANSWER 250Mhz"
"What is the Bandwidth of Cat6a Cable? - CORRECT ANSWER 500Mhz"
"What is 1 Meter equal to? - CORRECT ANSWER 3.28Ft."
"What are the two wavelengths for SingleMode - CORRECT ANSWER 1310 nanometers and
1550 nanometers."
"What are the three Core sizes for all fiber? - CORRECT ANSWER 8-10 Micron, 50 Micron, 62.
Micron."
"What is the next layer out from the core Layer on fiber? - CORRECT ANSWER Cladding."
"What is the next layer out from the Cladding Layer on fiber? - CORRECT ANSWER Acrylate
Coating."
"What is the diameter of Acrylate Coating? - CORRECT ANSWER 250 Micron."
"What is the next layer out from the Acrylate Coating later on fiber? - CORRECT ANSWER Tight
Buffer."
"What is the diameter of the Tight Buffer Layer of fiber? - CORRECT ANSWER 900 Micron."
"What is the Fiber Color Code? - CORRECT ANSWER Blue, Orange, Green, Brown, Slate, White,
Red, Black, Yellow, Violet, Rose, Aqua."
"What is the Proper name for a breakout Kit? - CORRECT ANSWER Furcating Harness"
"What is another name for an Array Connector? - CORRECT ANSWER MPO Connector"
"What is the maximum db loss you can have on a OM1-5 cable at 850 Nanometer wavelength? -
CORRECT ANSWER 3.0 db loss"
"What is the maximum db loss you can have on a OM1-5 cable at 1300 Nanometer wavelength?
CORRECT ANSWER 1.5 db loss"
"What is the maximum db loss you can have on a OS1 cable per 1000m? - CORRECT ANSWER 1
db loss"
"What is the maximum db loss you can have on a OS2 cable per 1000m? - CORRECT ANSWER
0.4 db loss"
"What are the two types of dispersion called? - CORRECT ANSWER Chromatic
Modal"
"What type of dispersion is in Singlemode Fiber? - CORRECT ANSWER Chromatic"
"What type of dispersion is in Multimode Fiber? - CORRECT ANSWER Modal"
"What is OFCP? - CORRECT ANSWER Optical Fiber Conductive Plenum"
"What is OFNR? - CORRECT ANSWER Optical Fiber Non-conductive Riser"
"What are the four Telecommunications Spaces? - CORRECT ANSWER EF - Entrance Facility
ER - Equipment Room TR - Telecommunications Room TE - Telecommunications Enclosure"
"What is the size of a Work Area? - CORRECT ANSWER 10ft x 10ft."
"How many levels of backbone are allowed in a structured cabling system? - CORRECT
ANSWER 2"
"What is a backbone Cable? - CORRECT ANSWER Cable that connects Closet to Closet.
ER to TR EF to EF TR to TR"
"What is a Horizontal Cable? - CORRECT ANSWER Cable that goes from TR to the Work Area"
"What is the maximum distance of any Horizontal Cable? - CORRECT ANSWER 295ft"
"What is the maximum distance of a UTP 25-pair Backbone Cable? - CORRECT ANSWER 800
Meters"
"What are two types of Specialty Fasteners? - CORRECT ANSWER Drive Ring
Bridle Ring"
"What are the ways to install string in a conduit? - CORRECT ANSWER Fish Tape
"When preparing fiber optics at an outlet, how much slack should you have? - CORRECT
ANSWER 1 meter"
"What is the tensile strength of pull string? - CORRECT ANSWER 200 ft pounds"
"When pulling cable, every 90 degree bend requires what? - CORRECT ANSWER A person or
an apparatus"
"What is the best technique for pulling large backbone cable through a vertical riser? - CORRECT
ANSWER Top down"
"What is a swivel? - CORRECT ANSWER a device positioned between the hook & the load line,
allowing the load to be turned without twisting the load line"
"Three instruments typically used to test fiber on a reel? - CORRECT ANSWER VFL - Visual Fault
Locator ODTR - Optical Time Domain Reflectometer OLTS - Optical Loss Test Set"
