Exam Name: Nokia Optical Diagnostics and Troubleshooting
Certification Provider: Nokia
Corresponding Certification: Nokia Optical Network Services Expert
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Nokia 4A0-265 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting Methodologies | 30% | - Common optical impairments
|
| Transponder and System Fault Resolution | 20% | - Optical transponder faults
|
| Optical Network Architecture and Signal Flow | 25% | - Amplifier configurations
|
| Optical Diagnostics and Monitoring Tools | 25% | - Performance Monitoring (PM) data analysis
|
Nokia Optical Diagnostics and Troubleshooting Sample Questions:
Consider the exhibit. Given the following power readings, what is the calculated span loss from Node A to Node B?
- A. 2.0 dB
- B. 5.0 dB
- C. 10.0 dB
- D. 8.0 dB
Correct Answer: C 🗳️
Explanation: Only visible for PassLeader members. You can sign-up / login (it's free).
Which of the following CLI commands displays a list of the expected and measured output power for the channels whose admin state is up?
- A. show wavekey wtsource power
- B. config wavekey summary
- C. config wavekey power detail
- D. show wavekey wtsource
Correct Answer: A 🗳️
Explanation: Only visible for PassLeader members. You can sign-up / login (it's free).
Which of the following correctly describes how a unidirectional amplification stage works?
- A. * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals pass through the ingress amplifier but are not boosted. - B. * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals are also boosted by the ingress amplifier. - C. * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals do not pass through the ingress amplifier. - D. * Incoming optical signals pass through the ingress amplifier but are not boosted.
* Outgoing optical signals are boosted by the ingress amplifier.
Correct Answer: C 🗳️
Explanation: Only visible for PassLeader members. You can sign-up / login (it's free).
Which of the following statements best describes the output of the command: show xc 1?
- A. A list of all boards on all nodes that this cross-connection passes through, along with expected power levels, measured power levels, and allowed power deviations.
- B. A list of boards that this cross-connection passes through on the local node, along with administrative/operational states, expected power levels, and measured power levels.
- C. A list of cross-connections, including A-end, Z-end, frequency, ID number, OCH trail name, and administrative/operational states.
- D. OCH trail name, ITU channel, administrative/operational states, protection states, and Wave Keys for both directions.
Correct Answer: C 🗳️
Explanation: Only visible for PassLeader members. You can sign-up / login (it's free).
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