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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. A "Power Adjustment Required" alarm was raised on the ingress amplifier in slot 1/10. Which of the following commands should be entered to manually adjust the related amplifier optical power levels?

A) config powermgmt ingress 1/10
B) config powermgmt ingress 1/10 scot
C) config powermgmt ingress 1/10 adjust
D) config powermgmt ingress 1/10 power adjustment

2. Which of the following issues can cause a "Loss too low" message to be displayed after a power adjustment has been provided?

A) An incorrect EPT network design
B) Unstable optical power levels
C) A defective WSS unit
D) A dirty fiber connector

3. Consider the exhibit. A single directional fiber cut is occurring between two amplifiers in unidirectional configuration with Raman pump.
Multiple services are crossing the affected span.
Which node(s) will report an Incoming Payload LOS" alarm?

A) No node, as a Raman pump is used in Node A.
B) Both Node A and Node C
C) Neither Node A nor Node C.
D) Node C only.

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

Solutions: