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Nokia 4A0-265 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Transponder and System Fault Resolution | 20% | - Optical transponder faults
|
| Topic 2: Optical Network Architecture and Signal Flow | 25% | - Amplifier configurations
|
| Topic 3: Optical Diagnostics and Monitoring Tools | 25% | - Nokia management interfaces
|
| Topic 4: Troubleshooting Methodologies | 30% | - Alarm and condition interpretation
|
Nokia Optical Diagnostics and Troubleshooting Sample Questions:
Question #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 = 5
(ii) number of serviceaffectingalarms = 2
(Hi) number of conditions = 14
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 = 7
(ii) number of service affecting alarms = 5
(Hi) number of conditions = 7
Question #2
Consider the exhibit. A single directional fiber cut is occurring between two amplifiers in bidirectional configuration. Which node(s) will report a "LD Input LOS" alarm?
A. Node B only
B. Node A only
C. Node C only
D. Node A and Node B
Question #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. 0.56 to 1.14 dB
B. -0.02 to 1.14 dB
C. -0.6 to 1.72 dB
D. 0.56 to 1.72 dB
Question #4
Which of the following statements best describes the output of the CLI command: show wavekey wtmonitor
1/6/LINE summary?
A. A list of the unexpected channels detected against the selected interface.
B. A list of all channels on this interface for which any Wave Keys pair is being received.
C. 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.
D. A list of all channels detected against the selected interface, including Wave Keys pair, channel status, expected and measured power, allowed deviation, and tolerance.
Solutions:
| Question #1 Correct Answer: D | Question #2 Correct Answer: A | Question #3 Correct Answer: C | Question #4 Correct Answer: C |
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