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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Consider the exhibit. A single directional fiber cut is occurring between two amplifiers in bidirectional configuration. Which node(s) will report a "LD Input LOS" alarm?

A) Node C only
B) Node A and Node B
C) Node B only
D) Node A only

2. Which of the following Performance Measurement (PM) type is NOT typically retrieved at an Optical Transponder (OT) line interface?

A) Digital Wrapper (DW)
B) Forward Error Correction - Errors Counted (FEC-EC)
C) Optical Power Received (OPR)
D) Ethernet collision counters

3. When troubleshooting possible generic fiber cuts, the recommended first step is to: 1. Review alarms at nodes where power loss occurs.
What is the next recommended step?

A) Perform network power traces to attempt to determine the point of power loss.
B) Monitor amplifier total power in/out to isolate the direction of a possible cut.
C) Review PM data to determine if the problem is intermittent.
D) Review EPT design for calculated span loss.

4. Consider the exhibit.

Which type of loopback is applied?

A) Line port terminal Ioopback
B) Line port facility Ioopback
C) Client port terminal Ioopback
D) Client port facility loopback

Solutions: