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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

Question 1

Which of the following is NOT a characteristic of an Optical Supervisory Channel Loss of Signal (OSC LOS) issue, in case that no "LD Input LOS" alarms are raised against the involved amplifiers?

A. A "Power Adjustment Required" alarm is eventually raised on the local node.
B. A "Data Link Down" alarm is raised on the adjacent node.
C. Traffic does not pass between the local and adjacent nodes.
D. An "Incoming SUPVY LOS" alarm is raised on the local node.

Question 2

Consider the exhibit. A single directional fiber cut is occurring between two amplifiers in bidirectional configuration. Which node(s) will report a "LD Input LOS" alarm?

A. Node C only
B. Node A and Node B
C. Node A only
D. Node B only

Question 3

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. The average optical power levels measured for multiple wavelengths throughout their shared optical path.
C. Optical power levels measured for multiple wavelengths against a specific interface.
D. Optical power levels measured at different interfaces throughout the optical path of a single wavelength.

Question 4

Which of the following CLI commands displays a list of the expected and measured output power for the channels whose admin state is up?

A. config wavekey power detail
B. show wavekey wtsource
C. config wavekey summary
D. show wavekey wtsource power

Solutions: