Exam (elaborations)
2024 BICSI TDMM12 CHAPTER 12 EXAM WITH CORRECT ANSWERS
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2024 BICSI TDMM12 CHAPTER 12 EXAM WITH CORRECT ANSWERS
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2024 BICSI TDMM12 CHAPTER 12EXAM WITH CORRECT ANSWERS
Propagation delay = - CORRECT-ANSWERSA measurement of the time for
signal to travel from one end of the transmission path to the other (12-4)
Campus backbone testing? - CORRECT-ANSWERSextensive (12-24)
Optical fiber two wavelengths - CORRECT-ANSWERS850/1300 nm MM,
1310/1550 nm SM (12-26)
Visual fault locator is used to - CORRECT-ANSWERSidentify individual optical
fibers (12-30)
Round-Trip delay: - CORRECT-ANSWERSThe time it takes a pulse to travel
down the cable and back. (12-3)
_____ is a measurement formerly known as attenuation for balanced twisted-
pair systems. - CORRECT-ANSWERSInsertion loss (12-5)
The smaller value of _________ in decibels, the better the performance. -
CORRECT-ANSWERSinsertion loss (12-5/6/7)
________ or ELFEXT is based on the crosstalk measured on a disturbed pair at
the opposite end from which the disturbing signal is transmitted, and is
normalized by the attenuation loss of the disturbed wire pair. - CORRECT-
ANSWERSACR-F (Attention-to-Crosstalk Ratio-Far End) (12-7)
When using an OTDR, the tail cord that is used is _______ than the
corresponding launch cord, ______ than the dead zone of the OTDR. -
CORRECT-ANSWERSshorter, longer (12-20)
The worst-case attenuation coefficient for SM tight buffered fiber at a
wavelength of 1310nm is: - CORRECT-ANSWERS1.0 dB (12-23)
To promote efficient and accurate testing of SM fiber at 155nm, the light
source or OTDR must operate with a range of 155nm +/- : - CORRECT-
ANSWERS20nm (12-26)
The worst-case attenuation coefficient for 50/125 um & 62.5/125 um MM
fiber at a wavelength of 850nm is: - CORRECT-ANSWERS3.5 dB (12-23)
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