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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Which of the following statements correctly describes where power adjustments can be performed?

A) When Raman pumps are used, both ingress and egress power adjustments are performed against the Raman pump directly.
B) In unidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.
C) In bidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.
D) In bidirectional configurations, ingress power adjustments are performed against the ingress amplifiers, while egress power adjustments are performed against the egress amplifiers.

2. Which of the following statements best describes the Forward Error Correction (FEC) technique?

A) FEC enables errors to be detected and corrected without retransmission. This technique is effective only above a specified OSNR threshold.
B) FEC enables errors to be detected and corrected without retransmission. This technique is effective only below a specified OSNR threshold.
C) FEC enables errors to be detected and data to be retransmitted. This technique is effective only above a specified OSNR threshold.
D) FEC enables errors to be detected and data to be retransmitted. This technique is effective only below a specified OSNR threshold.

3. A power adjustment has succeeded conditionally because of gain settings set to higher levels than expected by design. Which of the following alarms will raise?

A) Invalid topology (PRCDRERR-TOPO)
B) Gain Adjustment Exceeded Max Value (PWRMAXGAIN)
C) Power Adjustment Failure (PWRADJFAIL)
D) Amplifier Gain Tilt Adjustments Suspended (PWRTILTSUSP)

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

A) show interface am212 5a 1/6/lineout pm
B) show interface am2125a 1/6/lineout detail
C) show interface am2125a 1/6/lineout wavekey
D) show interface am2125a 1/6/lineout

Solutions: