Partial preview of the text
Download FOA CFOT CERTIFICATION EXAM V11 100% VERIFIED CORRECT ANSWERS 2025/2026 STUDY SET and more Exams Organization and Business Administration in PDF only on Docsity!
FOA CFOT CERTIFICATION
EXAM V11 100% VERIFIED
CORRECT ANSWERS
2025/2026 STUDY SET
A FIBER OPTIC INSPECTION MICROSCOPE CAN INCREASE THE DANGER OF HIGH POWERED
LIGHT SOURCES BY FOCUSING THE LIGHT COMING OUT OF A FIBER INTO YOUR EYE. TRUE
OR FALSE?
TRUE
A FIBER OPTIC POWER METER MEASURES ABSOLUTE POWER IN DBM (DB REFERENCED TO
1 MW) AND, WHEN USED WITH A LIGHT SOURCE, CAN MEASURE INSERTION LOSS
EXPRESSED IN DB. TRUE OR FALSE?
TRUE
WHEN WE SAY 62.5/125 FIBER, WHAT DOES "62.5" MEAN?
CORE SIZE, THE DIAMETER IN MICRONS
WHEN WE SAY 50/125 FIBER, WHAT DOES "125" MEAN?
CLADDING SIZE, THE DIAMETER IN MICRONS
OM3 AND OM4 MULTIMODE FIBER WITH A 50/125 MICRON CORE ARE NOW A POPULAR
OPTION IN PREMISES CABLING SYSTEMS BECAUSE THEY _____.
ARE "LASER OPTIMIZED" WHICH GIVES MORE DISTANCE CAPABILITY WITH GIGABIT
NETWORKS USING LASER SOURCES
IN-MULTIMODE FIBER, THE ATTENUATION (REDUCTION IN OPTICAL POWER) OF THE FIBER
IS _____ AT 850 NM THAN AT 1300 NM.
HIGHER
WHICH OF THE FOLLOWING REPRESENTS A SINGLEMODE (SMALLER CORE SIZE) FIBER
SIZE?
9/125 MICRON
SINGLEMODE FIBER HAS _____ BANDWIDTH THAN MULTIMODE FIBER.
GREATER
MOST PLASTIC OPTICAL FIBERS ARE _____.
LARGE CORE STEP-INDEX
WHEN YOU STRIP SINGLEMODE OR GRADED INDEX MULTIMODE MODE GLASS FIBER, YOU
ARE REMOVING THE ____.
PRIMARY BUFFER COATING
THE PROPER METHOD OF PULLING OPTICAL FIBER CABLES IS TO ATTACH THE PULL WIRE
OR TAPE TO THE ____ OF THE CABLE.
STRENGTH MEMBERS
ACCORDING TO THE REFERENCES, HYBRID CABLES ARE CABLES THAT CONTAIN ____.
BOTH SINGELMODE AND MULTIMODE OPTICAL FIBERS
WHAT TYPE OF FIBER CABLE DESIGN ALLOWS FOR LARGE NUMBERS OF FIBERS WITH
ULTRA-HIGH DENSITY, SMALL SIZE (DIAMETER) AND LOWER COST?
RIBBON
ACCORDING TO THE REFERENCES, COMPOSITE CABLES REFER TO CABLES THAT CONTAIN
____>
WHICH TYPE OF CABLE IS BEST SUITED FOR INDOOR INSTALLATION WHEN FIBERS AR TO BE
DIRECTLY TERMINATED INSIDE A PATCH PANEL WITH ADHESIVE/POLISH OR PREPOLISHED
SPLICE CONNECTORS?
TIGHT BUFFER DISTRIBUTION CABLE
WHAT TYPE OF CABLE MAY REQUIRE INSTALLATION OF A BREAKOUT KIT (ALSO CALLED A
FURCATION OR FAN OUT KIT) FOR TERMINATION?
LOOSE TUBE (LOOSE BUFFER) CABLE
WHEN PULLING CABLES, THE MINIMUM BEND RADIUS UNDER TENSION IS GENERALLY
SPECIFIED AS ______.
20 TIMES THE CABLE DIAMETER
CABLE TIES USED ON FIBER OPTIC CABLES ____.
CAN HARM CABLES IF TOO TIGHT, SO THEY SHOULD BE HAND-TIGHTENED.
FIBER OPTIC JOINTS (CONNECTORS OR SPLICES) SHOULD HAVE ____.
LOW LOSS, MINIMAL REFLECTANCE AND HIGH MECHANICAL STRENGTH
TO REDUCE _____ AS WELL AS LOSS, THE END OF A CONNECTOR FERRULE IS POLISHED TO
A PC (PHYSICAL CONTACT) FINISH.
REFLECTANCE
FACTORY TERMINATIONS, SUCH AS USED FOR MAKING PATCHCORDS, GENERALLY USE
WHAT METHOD OF ATTACHING THE CONNECTOR?
EPOXY/POLISH
ACCORDING TO THE REFERENCES, THE CONNECTOR IN THE FOLLOWING LIST WITH THE
BEST OR LOWEST REFLECTANCE WOULD BE THE ____.
SC-APC (ANGLED POLISHED CONNECTOR)
SPLICES ARE MOST OFTEN USED FOR _____.
A PERMANENT JOINT BETWEEN TWO FIBERS
IF YOU NEED TO PERMANENTLY JOIN TWO FIBERS TOGETHER WITH THE LOWEST LOSS AND
LEAST AMOUNT OF REFLECTANCE, WHICH OF THE FOLLOWING SHOULD YOU CHOOSE?
FUSION SPLICE
MASS FUSION SPLICING IS NORMALLY USED ON WHAT STYLE OF CABLE?
RIBBON CABLE
PRIOR TO CABLE PLANT ACCEPTANCE OR SYSTEM TURN-UP, A(N) _____ IS USED TO
MEASURE THE CABLE PLANT INSERTION LOSS TO ENSURE IT IS WITHIN THE LOSS BUDGET.
LIGHT SOURCE AND POWER METER (LSPM OR OLTS)
FOR INSERTION LOSS TESTING, THE FIBER OPTIC TEST SOURCE MUST MATCH THE _____ OF
THE TRANSMISSION SYSTEM OR THE STANDARDS COVERING THE CABLE PLANT.
BOTH FIBER TYPE AND WAVELENGHT
ACCORDING TO THE TEXT, IT IS RECOMMENDED THAT REFERENCE TEST CABLES BE CHOSEN
FOR THEIR __________>
LOW LOSS
WHICH OF THE FOLLOWING PARAMETERS CANNOT BE MEASURED BY OTDRS (OPTICAL
TIME DOMAIN REFLECTOMETERS) IN FIBER OPTIC NETWORKS.
TRANSMITTER AND RECEIVER POWER
FOR SAFETY, A FIBER OPTIC TECHNICIAN OR INSTALLER SHOULD ALWAYS WEAR ______
WHEN WORKING WITH OPTICAL FIBER.
EYE PROTECTION
CORE
IS STRIPPED OFF FOR TERMINATION OR SPLICING
PRIMARY BUFFER COATING
THE OUTSIDE DIAMETER OF THIS PART OF THE FIBER IS THE SAME FOR MOST
SINGLEMODE AND MULTIMODE FIBERS
CLADDING
SINGLEMODE
MULTI-MODE GRADED INDEX
MULTI-MODE STEP INDEX
TELECOM OUTSIDE PLANT
SINGLEMODE
TELECOM FTTX
SINGLEMODE
CATV HYBRID FIBER COAX NETWORK
SINGLEMODE
LAN FIBER TO THE DESK
MULTIMODE GRADED-INDEX
CONSUMER DIGITAL AUDIO
PLASTIC OPTICAL FIBER (POF)
DISTRIBUTION CABLE
HAS MULTIPLE BUFFERED FIBER CABLES (ABOUT 12 INDIVIDUAL CABLES), AND IT DOES HAVE
STRENGTH MEMBERS
BREAKOUT CABLE
HAS MULTIPLE SIMPLEX CABLES (ABOUT 12 OR MORE INDIVIDUAL CABLES), BUT IT DOES
NOT HAVE STRENGTH MEMBERS
LOOSE TUBE CABLE
HAS A BUFFERED FIBER, STRENGTH MEMBERS AND WATER BLOCKING SUBSTANCE
ZIPCORD CABLE
HAS 2 BUFFERED FIBERS AND STRENGTH MEMBERS
RESISTANCE TO WATER DAMAGE
GEL-FILLED AND BLOCKED CABLE
CAN BE INSTALLED INDOORS IN AIR HANDLING AREAS
PLENUM RATED
RODENT RESISTANCE
ARMORED CABLE
MUST BE MORE THAN 20 TIMES CABLE DIAMETER
MINIMUM RECOMMENDED BEND RADIUS UNDER PULLING TENSION
MUST BE MORE THAN 10 TIMES CABLE DIAMETER
MINIMUM RECOMMENDED LONG TERM BEND RADIUS
INDOOR, SHORT, DRY CONDUIT RUNS, RISERS AND PLENUMS TERMINATED INSIDE
JUNCTION BOXES
DISTRIBUTION CABLE
FIBER OPTIC POWER METER
CONNECTOR FAULTS (SCRATCHES, POLISH, DIRT) (WHICH TOOL(S) DO YOU USE?)
INSPECTION MICROSCOPE
FAULT LOCATION, SPLICE LOSS, LENGTH (WHICH TOOL(S) DO YOU USE?)
OTDR
CONTINUITY, FIBER TRACING, FAULT LOCATION CLOSE TO END OF A CABLE (WHICH TOOL(S)
DO YOU USE?)
VISUAL FAULT LOCATOR
CABLE TO TEST
CABLE IN THE MIDDLE WRAPPED MULTIPLE TIMES IN CIRCLES
CONNECTOR MATING ADAPTER
DEVICE THAT CONNECT TWO WIRES TOGETHER
LAUNCH CABLE
CABLE CONNECTED TO THE LIGHT SOURCE
LIGHT SOURCE
DEVICE AT THE END SHINING A LIGHT OR LASER
POWER METER
DEVICE TAKING MEASUREMENTS AND GIVING OUT NUMBERS
RECEIVE CABLE
CABLE CONNECTED TO THE POWER METER
CONNECTOR, SHOWING LOSS AND BACK REFLECTION
HIGH SPIKE (UPSIDE DOWN V) IN THE MIDDLE OF THE GRAPH
DISTANCE SCALE
ON THE GRAPH IT WILL BE X-AXIS (LEFT TO RIGHT) ON THE BOTTOM SIDE
END OF THE FIBER
ZIG-ZAG LINES AT THE END OF THE GRAPH
INITIAL PULSE AND DEAD ZONE
HIGH SPIKE OF ENERGY (UPSIDE DOWN U) AT THE BEGINNING OF THE GRAPH
LOSS SCALE
ON THE GRAPH IT WILL BE THE Y-AXIS (UP AND DOWN) ON THE LEFT SIDE
SPLICE LOSS
A DROP OF ENERGY (LIKE A STEP) IN THE MIDDLE OF THE GRAPH
FIBER SIZE
UM (MICRONS)
WAVELENGTH
NM (NANOMETERS)
BANDWIDTH
MHZ OR GHZ (MEGAHERTZ OR GIGAHERTZ)
LOSS
DB (DECIBELS)
ABSOLUTE POWER
DBM (DECIBELS PER MILLIWATTS)
