True/False Indicate whether the statement is
true or false.
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1.
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Cables tested with an OTDR do not require insertion loss
testing with a source and meter or OLTS.
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2.
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Connectors at each end of the cable plant should not be counted when calculating
the cable plant loss.
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3.
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The OTDR should never be used without a "launch cable" which is also
called a "pulse suppressor."
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Multiple Choice Identify the choice that best
completes the statement or answers the question.
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4.
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Cable plant loss should be estimated during the ______ phase.
A. | Design | B. | Installation | C. | Testing | D. | Troubleshooting |
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5.
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The standard method of testing installed multimode cables in a cable plant is
described in:
A. | FOTP-34 | B. | ISO 11801 | C. | FOTP-57 | D. | OFSTP-14 |
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6.
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What test instrument(s) are used for insertion loss
testing.
A. | OLTS or light source and power
meter | B. | VFL | C. | OTDR |
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7.
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Multimode graded-index glass fiber optic cables are tested
with ___ sources at ______ and _____ wavelengths.
A. | LED, 650, 850 nm | B. | LED, 850, 1300 nm | C. | Laser, 980, 1400
nm | D. | Laser, 1310, 1550 nm |
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8.
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What type of source is used for testing singlemode
fibers?
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9.
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How many methods are included in standards for setting the
”0 dB‘ reference for loss testing?
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10.
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Which reference method is preferred in TIA
568?
A. | Once cable reference | B. | Two cable reference | C. | Three cable
reference | D. | Any method as long as it is
documented |
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11.
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Reference cables must match the ________ of the cables being
tested.
A. | Fiber size and type | B. | Fiber size and connector type | C. | Connector
type | D. | Fiber size and loss
specification |
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12.
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The total loss of the fiber in the cable plant is calculated by multiplying the
attenuation coefficient of the fiber by the _________.
A. | Length | B. | Number of links | C. | Number of
connectors | D. | Number of splices |
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13.
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The principle of operation of OTDRs is similar to _______ .
A. | Power meters and sources | B. | Radar | C. | Mirrors | D. | Lenses |
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14.
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OTDRs are used in outside plant cables to __________.
A. | Verify splice loss | B. | Measure length | C. | Find
faults | D. | All of the above |
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15.
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In premises applications, OTDRs are limited in usefulness by their
______.
A. | Output power | B. | Distance capability | C. | Distance
Resolution | D. | Software |
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