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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Consider the exhibit which shows part of an EPT Schematic View. Which number refers to the Wavelength Router (WR8-88) block?

A) 4
B) 2
C) 5
D) 1
E) 3

2. Suppose a channel-related alarm is reported on an 1830 PSS node, and is related to a possible Wave Keys clock source issue. What is the recommended order for the following troubleshooting steps?

A) 1. Replace the suspect PF.
2. Retrieve the channel power trace.
3. Switch to alternate clock source (PF).
4. Determine the active clock reference source.
B) 1. Retrieve the channel power trace.
2. Determine the active clock reference source.
3. Switch to alternate clock source (PF).
4. Replace the suspect PF.
C) 1. Determine the active clock reference source.
2. Replace the suspect PF.
3. Retrieve the channel power trace.
4. Switch to alternate clock source (PF).
D) 1. Retrieve the channel power trace.
2. Replace the suspect PF.
3. Determine the active clock reference source.
4. Switch to alternate clock source (PF).

3. Consider the exhibit.

Which type of loopback is applied?

A) Client port facility loopback
B) Line port facility Ioopback
C) Line port terminal Ioopback
D) Client port terminal Ioopback

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) show wavekey wtsource
B) show wavekey wtsource power
C) config wavekey summary
D) config wavekey power detail

Solutions: