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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

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

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

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

3. Suppose a node is experiencing a little unexpected attenuation over the Optical Supervisory Channel (OSC) transmit direction. Which of the following statements is FALSE?

A) No OSC-related alarms will raise on the local node.
B) Traffic will pass between the local and adjacent node.
C) A Power adjustments action will fail on the local node.
D) A "Data Link Down" alarm will raise on the adjacent node.

4. When troubleshooting possible generic fiber cuts, the recommended first step is to: 1. Review alarms at nodes where power loss occurs.
What is the next recommended step?

A) Monitor amplifier total power in/out to isolate the direction of a possible cut.
B) Review EPT design for calculated span loss.
C) Review PM data to determine if the problem is intermittent.
D) Perform network power traces to attempt to determine the point of power loss.

Solutions: