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Nokia 4A0-265 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| EPT Report Parameters and Power Commissioning Data | |
| Optical Transponder Configuration Troubleshooting | |
| Troubleshooting Fiber Cuts / Line Issues and Alarm Correlation | |
| Optical Signal Flow Through a Node | |
| Documentation and Support Information | |
| Performance Monitoring and Loopbacks for Troubleshooting | |
| Wavelength Tracker | |
| Transmission and Power Adjustment Troubleshooting Techniques | |
| Alarms, Conditions and Logs |
Nokia Optical Diagnostics and Troubleshooting Sample Questions:
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. Traffic does not pass between the local and adjacent nodes.
- B. A "Data Link Down" alarm is raised on the adjacent node.
- C. An "Incoming SUPVY LOS" alarm is raised on the local node.
- D. A "Power Adjustment Required" alarm is eventually raised on the local node.
Correct Answer: C 🗳️
Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).
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 scot
- B. config powermgmt ingress 1/10 power adjustment
- C. config powermgmt ingress 1/10 adjust
- D. config powermgmt ingress 1/10
Correct Answer: C 🗳️
Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).
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. Retrieve the channel power trace.
2. Determine the active clock reference source.
3. Switch to alternate clock source (PF).
4. Replace the suspect PF. - B. 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). - C. 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). - D. 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.
Correct Answer: A 🗳️
Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).
Suppose a node is experiencing a little unexpected attenuation over the Optical Supervisory Channel (OSC) transmit direction. Which of the following statements is FALSE?
- A. A "Data Link Down" alarm will raise on the adjacent node.
- B. No OSC-related alarms will raise on the local node.
- C. Traffic will pass between the local and adjacent node.
- D. A Power adjustments action will fail on the local node.
Correct Answer: B 🗳️
Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).
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