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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

Question 1

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 2

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

A. 11.5
B. 8.0
C. 1.5
D. 2.5

Question 3

Which of the following statements best describes the output of the command: show xc 1?

A. A list of cross-connections, including A-end, Z-end, frequency, ID number, OCH trail name, and administrative/operational states.
B. A list of all boards on all nodes that this cross-connection passes through, along with expected power levels, measured power levels, and allowed power deviations.
C. OCH trail name, ITU channel, administrative/operational states, protection states, and Wave Keys for both directions.
D. A list of boards that this cross-connection passes through on the local node, along with administrative/operational states, expected power levels, and measured power levels.

Question 4

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.

Solutions: