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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. What is the default severity level for a Threshold Crossing Alert (TCA) alarm?

A) Minor
B) Warning
C) Major
D) Critical

2. Which of the following statements about 1-Day PMs is TRUE?

A) 1-Day PMs show measurements collected over the preceding 24 hours. Up to 8 bins are available for data storing.
B) 1-Day PMs show measurements collected since the beginning of the current day. Up to 8 bins are available for data storing.
C) 1-Day PMs show measurements collected since the beginning of the current day. Up to 33 bins are available for data storing.
D) 1-Day PMs show measurements collected over the preceding 24 hours. Up to 33 bins are available for data storing.

3. Which of the following correctly describes how a unidirectional amplification stage works?

A) * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals are also boosted by the ingress amplifier.
B) * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals pass through the ingress amplifier but are not boosted.
C) * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals do not pass through the ingress amplifier.
D) * Incoming optical signals pass through the ingress amplifier but are not boosted.
* Outgoing optical signals are boosted by the ingress amplifier.

4. Which of the following is NOT a characteristic of an Optical Supervisory Channel Loss of Signal (OSC LOS) issue, in case that no "LD Input LOS" alarms are raised against the involved amplifiers?

A) An "Incoming SUPVY LOS" alarm is raised on the local node.
B) Traffic does not pass between the local and adjacent nodes.
C) A "Power Adjustment Required" alarm is eventually raised on the local node.
D) A "Data Link Down" alarm is raised on the adjacent node.

Solutions: