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Nokia 4A0-265 Exam Syllabus Topics:

SectionObjectives
Troubleshooting Fiber Cuts / Line Issues and Alarm Correlation
Alarms, Conditions and Logs
Wavelength Tracker
Performance Monitoring and Loopbacks for Troubleshooting
EPT Report Parameters and Power Commissioning Data
Optical Transponder Configuration Troubleshooting
Documentation and Support Information
Optical Signal Flow Through a Node
Transmission and Power Adjustment Troubleshooting Techniques

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

Which of the following statements about optical power vs amplification stages is TRUE?

  • A. When channels pass through amplifiers, all of them always experience a similar amplification.
  • B. 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.
  • C. The Optical Supervisory Channel (OSC) is amplified when passing through all amplifier types, except for Raman which is not based on EDFA.
  • D. Ingress amplifiers are always more powerful [than egress amplifiers, to reduce the impact of non-linear effects.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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What is the typical severity level of a "Loss of Signal" (LOS) alarm?

  • A. Major
  • B. Critical
  • C. Minor
  • D. Warning
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).

Suppose a Raman amplifier has been plugged into slot 1/8. Which command should the user enter to retrieve the total optical power detected at the ingress interface?

  • A. show interface 1/8/UNEIN detail
  • B. show interface 1/8 opin
  • C. show Interface 1/8/LINEIN
  • D. show interface 1/8 power
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).

Which of the following commands is used to retrieve the total output power level?

  • A. show interface am2125a 1/6/lineout wavekey
  • B. show interface am2125a 1/6/lineout
  • C. show interface am2125a 1/6/lineout detail
  • D. show interface am212 5a 1/6/lineout pm
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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