Multiple Choice
Identify the choice that best
completes the statement or answers the question.
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1.
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Singlemode fiber has a ______ light-carrying core than multimode fiber.
A. | Smaller | B. | Larger | C. | Same
size |
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2.
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What is the core size of singlemode fiber?
A. | 5 mm | B. | 9 microns | C. | 50
microns | D. | 63.5 microns |
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3.
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Singlemode fiber has ________ bandwidth than multimode fiber.
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4.
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What wavelengths are appropriate for use with multimode fiber?
A. | 650 & 850 nm | B. | 850 & 1300 nm | C. | 850 & 1310
nm | D. | 1310 & 1550 nm |
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5.
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The diameter of the core in OM2 and OM3 multimode fiber is how large?
A. | 50 microns | B. | 62.5 microns | C. | 62.5
mm | D. | 9 mm |
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6.
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Which of the following fiber specifications is most important to the user and is
an important factor in testing?
A. | Attenuation | B. | Bandwidth | C. | Numerical
aperture | D. | Core-cladding concentricity |
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7.
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The largest contributor to fiber attenuation is ____________.
A. | Absorption | B. | Scattering | C. | Bending
losses | D. | Microbends |
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8.
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Which fiber typically has the largest core?
A. | POF | B. | Multimode Step Index | C. | Multimode Graded
Index | D. | Singlemode |
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9.
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The loss of a multimode graded index fiber is greatest at _________.
A. | 850 nm | B. | 1300 nm | C. | 1310
nm | D. | 1550 nm |
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10.
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Which type of dispersion affects singlemode fiber as well as multimode
fiber?
A. | Modal | B. | Differential | C. | Chromatic | D. | Polarization
mode |
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