ATT WEEK 12 (ET) BEST VERSION |
QUESTIONS AND 100% CORRECT
ANSWERS | APPROVED BY EXPERT |
HIGHLY RECOMMENDED FOR
PURCHASE | 2025 UPDATE
Q: What are fiber optic systems capable of transmitting?
ANSWER ✔✔Digital and analog signals
Q: What type of measurement is used to identify the quality of an analog system's signal
transmission?
ANSWER ✔✔ SNR
Q: What type of measurement is typically used to identify the quality of a digital system's
signal transmission?
ANSWER ✔✔ BER
Q: What type of signal is transmitted over a fiber optic cable?
ANSWER ✔✔ Light
Q: Transmitting a modulated signal through a fiber optic cable by varying the light beam
is called?
ANSWER ✔✔Intensity modulation
Q: What signal is usually transmitted through a fiber optic cable by energizing and de-
energizing the light source?
ANSWER ✔✔PCM
, Q: What does PCM stand for?
ANSWER ✔✔Pulse Code Modulation
Q: How to determine if a fiber optic system is faulty?
ANSWER ✔✔Compare the initial input signal to the final output signal
Q: How do you determine if a transmitter is faulty?
ANSWER ✔✔Compare the initial input signal with the signal applied to the optical source
Q: How do you determine if a receiver is faulty?
ANSWER ✔✔Compare the signal from the optical detector with the final output signal
Q: How do you determine if a cable is faulty?
ANSWER ✔✔Compare the signal applied to the optical light source with the signal from the
optical detector
Q: How do you determine if a source is faulty?
ANSWER ✔✔Compare optical light source and optical detector
Q: How do you determine if a detector is faulty?
ANSWER ✔✔Compare optical light source and optical detector
Q: What kind of loss is due to an imperfection of the core-cladding boundary?
ANSWER ✔✔Microbend
QUESTIONS AND 100% CORRECT
ANSWERS | APPROVED BY EXPERT |
HIGHLY RECOMMENDED FOR
PURCHASE | 2025 UPDATE
Q: What are fiber optic systems capable of transmitting?
ANSWER ✔✔Digital and analog signals
Q: What type of measurement is used to identify the quality of an analog system's signal
transmission?
ANSWER ✔✔ SNR
Q: What type of measurement is typically used to identify the quality of a digital system's
signal transmission?
ANSWER ✔✔ BER
Q: What type of signal is transmitted over a fiber optic cable?
ANSWER ✔✔ Light
Q: Transmitting a modulated signal through a fiber optic cable by varying the light beam
is called?
ANSWER ✔✔Intensity modulation
Q: What signal is usually transmitted through a fiber optic cable by energizing and de-
energizing the light source?
ANSWER ✔✔PCM
, Q: What does PCM stand for?
ANSWER ✔✔Pulse Code Modulation
Q: How to determine if a fiber optic system is faulty?
ANSWER ✔✔Compare the initial input signal to the final output signal
Q: How do you determine if a transmitter is faulty?
ANSWER ✔✔Compare the initial input signal with the signal applied to the optical source
Q: How do you determine if a receiver is faulty?
ANSWER ✔✔Compare the signal from the optical detector with the final output signal
Q: How do you determine if a cable is faulty?
ANSWER ✔✔Compare the signal applied to the optical light source with the signal from the
optical detector
Q: How do you determine if a source is faulty?
ANSWER ✔✔Compare optical light source and optical detector
Q: How do you determine if a detector is faulty?
ANSWER ✔✔Compare optical light source and optical detector
Q: What kind of loss is due to an imperfection of the core-cladding boundary?
ANSWER ✔✔Microbend
