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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Which of the following statements correctly describes where power adjustments can be performed?

A) In unidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.
B) In bidirectional configurations, ingress power adjustments are performed against the ingress amplifiers, while egress power adjustments are performed against the egress amplifiers.
C) In bidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.
D) When Raman pumps are used, both ingress and egress power adjustments are performed against the Raman pump directly.

2. Which of the following statements about the alarm masking mechanism is TRUE?

A) The alarm masking mechanism preserves the events' original time stamps, when related alarms gets hidden and then eventually displayed because of the mechanism itself, so that the user can still know the date and time of the original issue.
B) The alarm masking mechanism updates the events' original time stamps when it masks/shows alarms, so that when an alarm is not masked anymore, the user can see the updated date and time associated with the original issue.
C) The alarm masking mechanism makes sure that alarms are always present on the downstream interfaces to facilitate the troubleshooting process.
D) The alarm masking mechanism always forwards masked alarms to an external Network Management System (NMS) for alarm correlation.

3. Which of the following is a passive component in a CDC-F network configuration?

A) WR20-TFM Wavelength Router
B) MSH4-FSB Fiber Shuffle Module
C) IRDM20 Integrated ROADM
D) 130SCX10 Optical Transponder

4. Which of the following statements about the "config powermgmt egress 1/2 adjust status command" is TRUE?

A) The command displays the status of power adjustment on the specified egress amplifier.
B) The command enables power adjustment feature on the specified egress amplifier.
C) The command enables power adjustment feature on the specified egress amplifier, as this feature Is always and only available at the egress amplification stage.
D) The command displays commissioning status and WT decoder usage for the specified egress amplifiers only, as this feature is always and only done in the egress direction.

Solutions: