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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

Question 1

Which of the following statements best describes the output of the CLI command: show wavekey wtmonitor
1/6/LINE summary?

A. A list of all channels detected against the selected interface, including Wave Keys pair, channel status, expected and measured power, allowed deviation, and tolerance.
B. A list of all channels on this interface for which any Wave Keys pair is being received.
C. A list of the unexpected channels detected against the selected interface.
D. A list of all channels detected against the selected interface (in and out); it shows if a Wave Keys pair is expected, if a Wave Keys pair is received, and if the received Wave Keys pair is unexpected.

Question 2

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 opin
B. show interface 1/8 power
C. show Interface 1/8/LINEIN
D. show interface 1/8/UNEIN detail

Question 3

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

Question 4

Which of the following is NOT a characteristic of an Optical Supervisory Channel Loss of Signal (OSC LOS) issue, in case that no "LD Input LOS" alarms are raised against the involved amplifiers?

A. Traffic does not pass between the local and adjacent nodes.
B. A "Power Adjustment Required" alarm is eventually raised on the local node.
C. A "Data Link Down" alarm is raised on the adjacent node.
D. An "Incoming SUPVY LOS" alarm is raised on the local node.

Solutions: