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Nokia 4A0-265 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Alarms, Conditions and Logs | |
| Topic 2: Optical Transponder Configuration Troubleshooting | |
| Topic 3: Wavelength Tracker | |
| Topic 4: Documentation and Support Information | |
| Topic 5: Performance Monitoring and Loopbacks for Troubleshooting | |
| Topic 6: Transmission and Power Adjustment Troubleshooting Techniques | |
| Topic 7: Troubleshooting Fiber Cuts / Line Issues and Alarm Correlation | |
| Topic 8: Optical Signal Flow Through a Node | |
| Topic 9: EPT Report Parameters and Power Commissioning Data |
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Let the official Nokia Optical Diagnostics and Troubleshooting weights decide:
- Documentation and Support Information ()
- Transmission and Power Adjustment Troubleshooting Techniques ()
- Optical Transponder Configuration Troubleshooting ()
Nokia Optical Diagnostics and Troubleshooting Sample Questions:
Question #1
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. When Raman pumps are used, both ingress and egress power adjustments are performed against the Raman pump directly.
- C. In bidirectional configurations, ingress power adjustments are performed against the ingress amplifiers, while egress power adjustments are performed against the egress amplifiers.
- D. In bidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.
Correct Answer: C 🗳️
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Question #2
Which of the following statements about using Nokia product documentation in the troubleshooting process is TRUE?
- A. Before investigating a problem it is important to check the Engineering and Planning Tool User Guide (EPTUG) if a possible issue has already been acknowledged by the Product Unit (PU).
- B. The Customer Release Notes (CRNs) document collects documented solved known issues, new issues discovered after the product software has been released.as well as software upgrade procedures and firmware details.
- C. Before investigating a problem it is important to check the User Provisioning Guide (UPG) if a possible issue has already been acknowledged by the Product Unit (PU).
- D. The Customer Release Notes (CRNs) provides instructions to perform the automated provisioning, commissioning, and power balancing functions in a customer network based on the Nokia 1830 PS5 platform.
Correct Answer: B 🗳️
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Question #3
On a bidirectional optical amplifier configuration, which of the following are Wavelength Tracker detection points?
- A. SIG interface only.
- B. LINE and SIG interfaces.
- C. An optical amplifier has no Wavelength Tracker detection points.
- D. LINEOUT and SIGOUT interfaces.
Correct Answer: B 🗳️
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Question #4
Which of the following statements about optical power vs amplification stages is TRUE?
- A. Ingress amplifiers are always more powerful [than egress amplifiers, to reduce the impact of non-linear effects.
- B. The Optical Supervisory Channel (OSC) is amplified when passing through all amplifier types, except for Raman which is not based on EDFA.
- C. When channels pass through amplifiers, all of them always experience a similar amplification.
- D. When multiple channels pass through a shared port (for example, an amplifier line interface), the total aggregated power reflects the number of channels currently present.
Correct Answer: D 🗳️
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