Exam (elaborations)
FOA- Fiber Optic Certification Exam T/F – 66 Q’s and A’s
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- FOA- Fiber Optic Certification
FOA- Fiber Optic Certification Exam T/F – 66 Q’s and A’s
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FOA- Fiber Optic Certification Exam T/F –66 Q’s and A’s
50/125 microns represents a single mode fiber size - -False- Single mode
fiber is 8/10 microns
-Multimode Fiber has a greater bandwidth than single mode fiber - -False -
Single mode has less dispersion: more bandwidth
-Pulling from the center to the ends is a way of pulling long cables in
conduits - -True
-Large core step-index is the most common in plastic optical fiber - -True
-No fiber optic cable needs to be grounded - -False - any electronic material
must be grounded
-The cladding is the portion of the fiber you are removing during stripping -
-The buffer is what you take off
-Single mode fiber cables are usally color coded in gray - -Fase - Yellow
-Loose tube may require the instalation of what - -Breakout kit
-Composite cables have only fiber - -false- they also have copper
-Orange cable contains multimode fiber - -True
-The testing phase of a project is when you do loss/budget anaylisis - -False
- should be done in the planning stage
-Distribution cables use mass fusion splicing - -False- Ribbion cable uses
mass fusion
-The reference cables that are used during testing must be chosen for their
low loss characteristics - -True
-Telecom FTTx is typically single mode fiber - -True
-Unit for measuring bandwidth - -GHz
-Unit for measuring absoulute power - -dBm
-Unit for measuring outside jacket - -mm or inches
, -unit for measuring fiber size - -ym or microns
-Unit for measuring cable length is - -Feet or meters
-Unit for measuring wavelength - -nm or nanometer
-unit for measuring loss is - -dB
-instrument for insertion loss - -Light source and power meter
-instrument for connector faults such as dirt scratches - -Inspection
microscope
-instrument for fault location, splice loss - -OTOR graph
-instrument for source or receiver power - -power meter
-instrument for checking continuity fiber tracing - -visual fault locator
-instrument for checking duplex connector polarity - -visual fiber tracer
-Cable that is resistant to water damage is - -loose tube
-Outside cable resistant to rodents - -Armored cable
-The cable that is used indoors in air handling areas is - -plenum rated cable
-Telcom Fttx is typically - -single mode fiber
-The most important safety concern specific to fiber optics is? - -Shards of
bare fibers getting stuck in skin or eyes.
-Whenever working with fiber you should? - -wear safety glasses at all
times, clear the work area of food and scraps, and dispose of fiber scraps in a
sealed container.
-You should never look directly at the end of a fiber without checking for
optical power with a power meter because some fiber optic networks have
high enough power to cause eye damage. - -True
-Fusion Splicers should not be used - -in places that may contain flammable
gasses
-For safety, all fiber optic work areas must - -have sufficient work space
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