Consider the exhibit. What do the different colored green columns indicate?
A.
Optical power levels measured multiple times against a specific interface, at 24-hour intervals for the same wavelength.
B.
Optical power levels measured for multiple wavelengths against a specific interface.
C.
Optical power levels measured at different interfaces throughout the optical path of a single wavelength.
D.
The average optical power levels measured for multiple wavelengths throughout their shared optical path.
The Answer Is:
C
This question includes an explanation.
Explanation:
The exhibit shows a graph of optical power levels measured at different interfaces throughout the optical path of a single wavelength. The different colored green columns indicate the optical power levels at different points along the optical path, such as the transmitter, the receiver, and the amplifiers. The graph also shows the expected power levels and the allowed deviation range for each point. The graph can be used to monitor the performance and quality of the optical signal and to identify any potential issues or anomalies. The other options are incorrect because they either describe a different type of graph or do not match the exhibit. References: Nokia Optical Diagnostics and Troubleshooting Course, OAM and Diagnostics Guide
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