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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Which of the following statements about 1-Day PMs is TRUE?

A) 1-Day PMs show measurements collected since the beginning of the current day. Up to 33 bins are available for data storing.
B) 1-Day PMs show measurements collected over the preceding 24 hours. Up to 8 bins are available for data storing.
C) 1-Day PMs show measurements collected over the preceding 24 hours. Up to 33 bins are available for data storing.
D) 1-Day PMs show measurements collected since the beginning of the current day. Up to 8 bins are available for data storing.

2. 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

3. On a bidirectional optical amplifier configuration, which of the following are Wavelength Tracker detection points?

A) An optical amplifier has no Wavelength Tracker detection points.
B) SIG interface only.
C) LINE and SIG interfaces.
D) LINEOUT and SIGOUT interfaces.

4. Which of the following statements best describes the Forward Error Correction (FEC) technique?

A) FEC enables errors to be detected and data to be retransmitted. This technique is effective only below a specified OSNR threshold.
B) FEC enables errors to be detected and corrected without retransmission. This technique is effective only below a specified OSNR threshold.
C) FEC enables errors to be detected and corrected without retransmission. This technique is effective only above a specified OSNR threshold.
D) FEC enables errors to be detected and data to be retransmitted. This technique is effective only above a specified OSNR threshold.

Solutions: