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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

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

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

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

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) Neither Node A nor Node C.
C) Node C only.
D) Both Node A and Node C

4. Which of the following statements best describes the payload type setting?

A) Payload type attribute is recorded within the client payload and must be entered manually.
B) Payload type attribute Is recorded within the client payload and can be set automatically.
C) Payload type attribute is recorded within the OTN overhead and must be entered manually.
D) Payload type attribute is recorded within the OTN overhead and can be set automatically or manually.

Solutions: