Nokia 4A0-265 Questions & Answers - in .pdf
- Vendor: Nokia
- Exam Code: 4A0-265
- Exam Name: Nokia Optical Diagnostics and Troubleshooting
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- Exam Name: Nokia Optical Diagnostics and Troubleshooting
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Nokia 4A0-265 Exam Overview:
| Certification Vendor: | Nokia |
| Exam Name: | Nokia Optical Diagnostics and Troubleshooting |
| Exam Number: | 4A0-265 |
| Related Certifications: | Nokia Certified Optical Network Services Expert Nokia Certified Optical Network Architect |
| Exam Duration: | 90 minutes |
| Passing Score: | Not publicly specified |
| Exam Price: | 125 USD |
| Real Exam Qty: | 40 |
| Certificate Validity Period: | Certification program maintenance requirements |
| Available Languages: | English |
| Exam Format: | Multiple-choice |
| Sample Questions: | Nokia 4A0-265 Sample Questions |
| Exam Way: | Written exam delivered via Pearson VUE or authorized test delivery partner |
| Pre Condition: | None |
| Official Syllabus URL: | https://www.nokia.com/networks/training/onc/exams/optical-diagnostics-troubleshooting |
Nokia 4A0-265 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Documentation and Support Information | |
| Topic 2: Transmission and Power Adjustment Troubleshooting Techniques | |
| Topic 3: Wavelength Tracker | |
| Topic 4: Alarms, Conditions and Logs | |
| Topic 5: Troubleshooting Fiber Cuts / Line Issues and Alarm Correlation | |
| Topic 6: Performance Monitoring and Loopbacks for Troubleshooting | |
| Topic 7: EPT Report Parameters and Power Commissioning Data | |
| Topic 8: Optical Transponder Configuration Troubleshooting | |
| Topic 9: Optical Signal Flow Through a Node |
Nokia Optical Diagnostics and Troubleshooting Sample Questions:
1. Which of the following statements best describes the Forward Error Correction (FEC) technique?
A) FEC enables errors to be detected and data to be retransmitted. This technique is effective only below a specified OSNR threshold.
B) FEC enables errors to be detected and corrected without retransmission. This technique is effective only below a specified OSNR threshold.
C) FEC enables errors to be detected and data to be retransmitted. This technique is effective only above a specified OSNR threshold.
D) FEC enables errors to be detected and corrected without retransmission. This technique is effective only above a specified OSNR threshold.
2. 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.
3. Consider the exhibit. What do the different colored green columns indicate?
A) Optical power levels measured for multiple wavelengths against a specific interface.
B) Optical power levels measured at different interfaces throughout the optical path of a single wavelength.
C) The average optical power levels measured for multiple wavelengths throughout their shared optical path.
D) Optical power levels measured multiple times against a specific interface, at 24-hour intervals for the same wavelength.
4. Suppose a unidirectional amplifier has been plugged into slot 1/13. Which command should the user enter to retrieve the OSC pluggable module type?
A) show interface 1/13/OSC detail
B) show interface 1/13/OSCSFP detail
C) show interface 1/13/OSCSFP
D) show interface 1/13/OSC
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: B |
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