True/False
Indicate whether the statement is true or false.
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1.
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A single-ended fiber optic cable test allows finding a bad connector on just one
end of a cable.
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2.
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Manufacturers test connectors by cutting a fiber and inserting two connectors to
create a connection and measuring the loss.
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3.
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Some fiber optic networks can be tested by connecting a loopback attenuator
between the output and input ports of the fiber optic transceiver.
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4.
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CD and PMD testing are only required on very long singlemode telco
networks.
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5.
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FTTx PON splitters can be tested with an OTDRexactly like other fiber optic
networks.
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Multiple Choice
Identify the choice that best completes the statement or
answers the question.
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6.
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Optical fiber attenuation coefficient is measured in ______.
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7.
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The attenuation of fiber _________ with longer wavelengths.
A. | Increases | B. | Decreases | C. | Stays the
same |
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8.
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A __________ removes higher order modes from multimode fiber to set proper test
conditions.
A. | Claddig mode stripper | B. | Mode scrambler | C. | Mode
filter |
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9.
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The performance of an optical link is measured as BER (bit error rate) which is
dependent on ________.
A. | Transmitter type | B. | Transmitter power | C. | Cable plant
loss | D. | Received optical power |
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10.
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To measure optical power in a fiber optic network, the meter must be set to read
______.
A. | dB | B. | dB at the proper wavelength | C. | dBm at the proper
wavelength | D. | dBm at any wavelength |
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Multiple Response
Identify one or more choices that best complete the
statement or answer the question.
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11.
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What are the methods of measuring fiber attenuation?
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12.
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In order to test the attenuation of multimode fiber accurately, one must control
_______ and ________.
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13.
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Which instruments can measure reflectance from a connection or splice?
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14.
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Which two networks have high optical power that requires special power
meters?
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