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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

Question 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 power adjustment
C. config powermgmt ingress 1/10 scot
D. config powermgmt ingress 1/10 adjust

Question 2

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

Question 3

Consider the exhibit. Given the following power readings, what is the calculated span loss from Node A to Node B?

A. 10.0 dB
B. 2.0 dB
C. 8.0 dB
D. 5.0 dB

Question 4

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

A. The alarm masking mechanism makes sure that alarms are always present on the downstream interfaces to facilitate the troubleshooting process.
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 always forwards masked alarms to an external Network Management System (NMS) for alarm correlation.
D. 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.

Solutions: