Try and practice the latest Nokia : 4A0-265 real questions & answers
Updated: Jul 28, 2026
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Nokia 4A0-265 Exam Overview:
| Certification Vendor: | Nokia |
| Exam Name: | Nokia Optical Diagnostics and Troubleshooting 4A0-265 |
| Exam Number: | 4A0-265 |
| Available Languages: | English |
| Sample Questions: | Nokia 4A0-265 Sample Questions |
Nokia 4A0-265 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Optical Equipment and System Operation | - Nokia optical platform components
|
| Maintenance and Optimization | - Network optimization techniques
|
| Network Diagnostics and Troubleshooting | - Troubleshooting procedures
|
| Optical Network Fundamentals | - Optical transmission principles
|
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 = 5
(ii) number of serviceaffectingalarms = 2
(Hi) number of conditions = 14
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 = 7
(ii) number of service affecting alarms = 5
(Hi) number of conditions = 7
2. Which of the following statements about the alarm masking mechanism is TRUE?
A) The alarm masking mechanism makes sure that alarms are always present on the downstream interfaces to facilitate the troubleshooting process.
B) The alarm masking mechanism always forwards masked alarms to an external Network Management System (NMS) for alarm correlation.
C) The alarm masking mechanism updates the events' original time stamps when it masks/shows alarms, so that when an alarm is not masked anymore, the user can see the updated date and time associated with the original issue.
D) The alarm masking mechanism preserves the events' original time stamps, when related alarms gets hidden and then eventually displayed because of the mechanism itself, so that the user can still know the date and time of the original issue.
3. Which of the following correctly describes how a unidirectional amplification stage works?
A) * Incoming optical signals pass through the ingress amplifier but are not boosted.
* Outgoing optical signals are boosted by the ingress amplifier.
B) * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals are also boosted by the ingress amplifier.
C) * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals do not pass through the ingress amplifier.
D) * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals pass through the ingress amplifier but are not boosted.
4. Which of the following statements about the "config powermgmt egress 1/2 adjust status command" is TRUE?
A) The command enables power adjustment feature on the specified egress amplifier.
B) The command displays commissioning status and WT decoder usage for the specified egress amplifiers only, as this feature is always and only done in the egress direction.
C) The command displays the status of power adjustment on the specified egress amplifier.
D) The command enables power adjustment feature on the specified egress amplifier, as this feature Is always and only available at the egress amplification stage.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: A |
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