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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. 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.

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

A) Major
B) Critical
C) Minor
D) Warning

3. 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

4. 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

Solutions: