Nokia 4A0-265 Exam : Nokia Optical Diagnostics and Troubleshooting

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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Suppose a channel-related alarm is reported on an 1830 PSS node, and is related to a possible Wave Keys clock source issue. What is the recommended order for the following troubleshooting steps?

A) 1. Retrieve the channel power trace.
2. Replace the suspect PF.
3. Determine the active clock reference source.
4. Switch to alternate clock source (PF).
B) 1. Retrieve the channel power trace.
2. Determine the active clock reference source.
3. Switch to alternate clock source (PF).
4. Replace the suspect PF.
C) 1. Determine the active clock reference source.
2. Replace the suspect PF.
3. Retrieve the channel power trace.
4. Switch to alternate clock source (PF).
D) 1. Replace the suspect PF.
2. Retrieve the channel power trace.
3. Switch to alternate clock source (PF).
4. Determine the active clock reference source.

2. 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 = 4
(ii) number of service affecting alarms = 14
(iii) number of conditions = 2
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 = 5
(ii) number of serviceaffectingalarms = 2
(Hi) number of conditions = 14
D) (i) total number of alarms = 2
(ii) number of service affecting alarms = 2
(Hi) number of conditions = 18

3. Consider the exhibit which shows an EPT Power Management Report referring to an ingress amplifier. What is the available output optical power range?

A) -0.02 to 1.14 dB
B) 0.56 to 1.14 dB
C) 0.56 to 1.72 dB
D) -0.6 to 1.72 dB

4. On a bidirectional optical amplifier configuration, which of the following are Wavelength Tracker detection points?

A) SIG interface only.
B) LINEOUT and SIGOUT interfaces.
C) An optical amplifier has no Wavelength Tracker detection points.
D) LINE and SIG interfaces.

Solutions: