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Computing
Business Data Communications and Networking Study Set 2
Quiz 3: Physical Layer
The Earliest Type of Fiber Optic Systems Were
Question 65
Multiple Choice
The earliest type of fiber optic systems were: A)Graded index multimode B)Attenuated C)Multimode D)Single mode E)Step mode
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Related questions
Q 66
Another term for the weakening of a signal over distance is: A)turnaround time B)propagation delay C)dispersion D)insulation E)attenuation
Q 67
___________ refers to the spreading of the signal that different parts of the signal arrive at different times at the destination. A)turnaround time B)propagation delay C)dispersion D)insulation E)attenuation
Q 68
Which of the following media can best withstand harsh environmental conditions? A)shielded twisted pair B)unshielded twisted pair C)Cat 5 twisted pair D)coaxial cable E)fiber optic cable
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