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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Refer to the exhibit, which shows a conditions list from the 1830 PSS GUI. (i) What is the total number of alarms reported? (ii) How many service affecting alarms are displayed? (iii) How many conditions are displayed?

A) (i) total number of alarms = 2
(ii) number of service affecting alarms = 2
(Hi) number of conditions = 18
B) (i) total number of alarms = 7
(ii) number of service affecting alarms = 5
(Hi) number of conditions = 7
C) (i) total number of alarms = 4
(ii) number of service affecting alarms = 14
(iii) number of conditions = 2
D) (I) total number of alarms = 5
(ii) number of serviceaffectingalarms = 2
(Hi) number of conditions = 14

2. 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) 8.0 dB
C) 10.0 dB
D) 5.0 dB

3. 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
C) show interface am2125a 1/6/lineout detail
D) show interface am2125a 1/6/lineout wavekey

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

Solutions: