Dependable 4A0-265 Exam Dumps to Become Nokia Certified [Q18-Q39]

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Dependable 4A0-265 Exam Dumps to Become Nokia Certified

Get Ready with 4A0-265 Exam Dumps (2024)

Q18. Consider the exhibit. Given the following power readings, what is the calculated span loss from Node A to Node B?

11.5

8.0

2.5

1.5

Q19. A “Power Adjustment Required” alarm was raised on the ingress amplifier in slot 1/10. Which of the following commands should be entered to manually adjust the related amplifier optical power levels?

config powermgmt ingress 1/10 scot

config powermgmt ingress 1/10 power adjustment

config powermgmt ingress 1/10

config powermgmt ingress 1/10 adjust

Q20. Which of the following is a passive component in a CDC-F network configuration?

130SCX10 Optical Transponder

MSH4-FSB Fiber Shuffle Module

WR20-TFM Wavelength Router

IRDM20 Integrated ROADM

Q21. 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?

An “Incoming SUPVY LOS” alarm is raised on the local node.

A “Data Link Down” alarm is raised on the adjacent node.

A “Power Adjustment Required” alarm is eventually raised on the local node.

Traffic does not pass between the local and adjacent nodes.

Q22. Which of the following statements about the alarm masking mechanism is TRUE?

The alarm masking mechanism makes sure that alarms are always present on the downstream interfaces to facilitate the troubleshooting process.

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.

The alarm masking mechanism always forwards masked alarms to an external Network Management System (NMS) for alarm correlation.

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.

Q23. Which of the following statements correctly describes where power adjustments can be performed?

In bidirectional configurations, ingress power adjustments are performed against the ingress amplifiers, while egress power adjustments are performed against the egress amplifiers.

In bidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.

In unidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.

When Raman pumps are used, both ingress and egress power adjustments are performed against the Raman pump directly.

Q24. Suppose a unidirectional amplifier has been plugged into slot 1/13. Which command should the user enter to retrieve the OSC pluggable module type?

show interface 1/13/OSC

show interface 1/13/OSCSFP

show interface 1/13/OSC detail

show interface 1/13/OSCSFP detail

Q25. What is the typical severity level of a “Loss of Signal” (LOS) alarm?

Critical

Major

Minor

Warning

Q26. Suppose a “Channel Absent” alarm is reported on an 1830 PSS node. What is the recommended order for the following troubleshooting steps?

1. Go to the suspected troubled node / card / port and look at Wave Keys (in / out).
2. Retrieve the cross-connection (XC) details and see what Wave Keys should be present.
3. Check observed Wave Keys against expected Wave Keys.
4. Retrieve the channel power trace.

1. Retrieve the channel power trace.
2. Retrieve the cross-connection (XC) details and see what Wave Keys should be present.
3. Go to the suspected troubled node / card / port and look at Wave Keys (in / out).
4. Check observed Wave Keys against expected Wave Keys.

1. Retrieve the cross-connection (XC) details and see what virave Keys should be present.
2. Go to the suspected troubled node / card / port and look at Wave Keys (in / out).
3. Retrieve the channel power trace.
4. Check observed Wave Keys against expected Wave Keys.

1. Check observed Wave Keys against expected Wave Keys.
2. Go to the suspected troubled node / card / port and look at Wave Keys (in / out).
3. Retrieve the channel power trace.
4. Retrieve the cross-connection (XC) details and see what Wave Keys should be present.

Q27. What is the default severity level for a Threshold Crossing Alert (TCA) alarm?

Critical

Major

Minor

Warning

Q28. Which of the following statements about 1-Day PMs is TRUE?

1-Day PMs show measurements collected over the preceding 24 hours. Up to 8 bins are available for data storing.

1-Day PMs show measurements collected since the beginning of the current day. Up to 8 bins are available for data storing.

1-Day PMs show measurements collected over the preceding 24 hours. Up to 33 bins are available for data storing.

1-Day PMs show measurements collected since the beginning of the current day. Up to 33 bins are available for data storing.

Q29. Which of the following statements about using Nokia product documentation in the troubleshooting process is TRUE?

Before investigating a problem it is important to check the Engineering and Planning Tool User Guide (EPTUG) if a possible issue has already been acknowledged by the Product Unit (PU).

The Customer Release Notes (CRNs) provides instructions to perform the automated provisioning, commissioning, and power balancing functions in a customer network based on the Nokia 1830 PS5 platform.

Before investigating a problem it is important to check the User Provisioning Guide (UPG) if a possible issue has already been acknowledged by the Product Unit (PU).

The Customer Release Notes (CRNs) document collects documented solved known issues, new issues discovered after the product software has been released.as well as software upgrade procedures and firmware details.

Q30. On a bidirectional optical amplifier configuration, which of the following are Wavelength Tracker detection points?

LINEOUT and SIGOUT interfaces.

SIG interface only.

LINE and SIG interfaces.

An optical amplifier has no Wavelength Tracker detection points.

Q31. Which of the following CLI commands displays a list of the expected and measured output power for the channels whose admin state is up?

config wavekey power detail

show wavekey wtsource

config wavekey summary

show wavekey wtsource power

Q32. Which of the following statements best describes the output of the command: show xc 1?

OCH trail name, ITU channel, administrative/operational states, protection states, and Wave Keys for both directions.

A list of cross-connections, including A-end, Z-end, frequency, ID number, OCH trail name, and administrative/operational states.

A list of boards that this cross-connection passes through on the local node, along with administrative/operational states, expected power levels, and measured power levels.

A list of all boards on all nodes that this cross-connection passes through, along with expected power levels, measured power levels, and allowed power deviations.

Q33. Which of the following correctly describes how a unidirectional amplification stage works?

* Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals do not pass through the ingress amplifier.

* Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals pass through the ingress amplifier but are not boosted.

* Incoming optical signals pass through the ingress amplifier but are not boosted.
* Outgoing optical signals are boosted by the ingress amplifier.

* Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals are also boosted by the ingress amplifier.

Nokia 4A0-265 exam is a valuable certification program for professionals who are interested in optical network technology. It covers a range of topics related to optical diagnostics and troubleshooting and is recognized globally. Nokia Optical Diagnostics and Troubleshooting certification can help individuals advance in their careers and showcase their expertise in the field.

Nokia 4A0-265 exam is designed to test the skills and knowledge of professionals working in the field of optical diagnostics and troubleshooting. Nokia Optical Diagnostics and Troubleshooting certification exam is targeted towards individuals who are interested in improving their proficiency in managing and maintaining Nokia optical networks. It is a comprehensive exam that covers a wide range of topics related to optical network design, installation, and troubleshooting.

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