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Last Updated: Aug 26, 2026
No. of Questions: 40 Questions & Answers with Testing Engine
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| Section | Objectives |
|---|---|
| Wavelength Tracker | |
| Optical Signal Flow Through a Node | |
| Optical Transponder Configuration Troubleshooting | |
| Documentation and Support Information | |
| Troubleshooting Fiber Cuts / Line Issues and Alarm Correlation | |
| Performance Monitoring and Loopbacks for Troubleshooting | |
| Alarms, Conditions and Logs | |
| EPT Report Parameters and Power Commissioning Data | |
| Transmission and Power Adjustment Troubleshooting Techniques |
1. Which of the following statements best describes the output of the command: show xc 1?
A) A list of cross-connections, including A-end, Z-end, frequency, ID number, OCH trail name, and administrative/operational states.
B) OCH trail name, ITU channel, administrative/operational states, protection states, and Wave Keys for both directions.
C) 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.
D) 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.
2. Which of the following statements about the Wavelength Tracker (WT) capability is TRUE?
A) WT is compatible with other vendor domains, but the user must make sure that Wave Keys are unique on the crossed domains.
B) Wave Keys are originated by optical amplifiers.
C) WT uses a unique identifier based on a pair of numbers encoded by Raman amplifiers into each service wavelength direction.
D) WT uses a unique identifier based on a pair of numbers encoded by Optical Transponders OTs) into each service wavelength direction.
3. 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/OSCSFP detail
B) show interface 1/13/OSC detail
C) show interface 1/13/OSC
D) show interface 1/13/OSCSFP
4. Which of the following statements about 1-Day PMs is TRUE?
A) 1-Day PMs show measurements collected since the beginning of the current day. Up to 33 bins are available for data storing.
B) 1-Day PMs show measurements collected over the preceding 24 hours. Up to 33 bins are available for data storing.
C) 1-Day PMs show measurements collected since the beginning of the current day. Up to 8 bins are available for data storing.
D) 1-Day PMs show measurements collected over the preceding 24 hours. Up to 8 bins are available for data storing.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: D |
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