Nokia 4A0-265 : Nokia Optical Diagnostics and Troubleshooting

4A0-265 real exams

Exam Code: 4A0-265

Exam Name: Nokia Optical Diagnostics and Troubleshooting

Updated: Sep 30, 2026

Q & A: 40 Questions and Answers

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Nokia 4A0-265 Exam Syllabus Topics:

SectionObjectives
Topic 1: Troubleshooting Fiber Cuts / Line Issues and Alarm Correlation
Topic 2: Documentation and Support Information
Topic 3: Optical Transponder Configuration Troubleshooting
Topic 4: EPT Report Parameters and Power Commissioning Data
Topic 5: Alarms, Conditions and Logs
Topic 6: Wavelength Tracker
Topic 7: Transmission and Power Adjustment Troubleshooting Techniques
Topic 8: Performance Monitoring and Loopbacks for Troubleshooting
Topic 9: Optical Signal Flow Through a Node

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

Question #1

Suppose a network operator needs to configure the 10GbE client interface 1/7/C1 with a GFP-F encapsulation mode. Which command should be used?

  • A. config interface 1/7/C1 encmode 10client gfp-f
  • B. config encmode interface 1/7/C1 10client gfp-f
  • C. config encmode interface 1/7/C1 tenGige gfp-f
  • D. config interface 1/7/C1 tenGige encmode gfp-f
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #2

Consider the exhibit. Given the following power readings, what is the calculated span loss from Node A to Node B?

  • A. 1.5
  • B. 2.5
  • C. 8.0
  • D. 11.5
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #3

Which of the following statements about the alarm masking mechanism is TRUE?

  • A. The alarm masking mechanism makes sure that alarms are always present on the downstream interfaces to facilitate the troubleshooting process.
  • B. The alarm masking mechanism preserves the events' original time stamps, when related alarms gets hidden and then eventually displayed because of the mechanism itself, so that the user can still know the date and time of the original issue.
  • C. The alarm masking mechanism updates the events' original time stamps when it masks/shows alarms, so that when an alarm is not masked anymore, the user can see the updated date and time associated with the original issue.
  • D. The alarm masking mechanism always forwards masked alarms to an external Network Management System (NMS) for alarm correlation.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #4

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 adjust
  • B. config powermgmt ingress 1/10 scot
  • C. config powermgmt ingress 1/10 power adjustment
  • D. config powermgmt ingress 1/10
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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