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[Mar-2024] Exam 4A0-265 New Brain Dump Professional - Actualtests4sure [Q12-Q35]

[Mar-2024] Exam 4A0-265: New Brain Dump Professional - Actualtests4sure

Free 4A0-265 Exam Dumps to Improve Exam Score

Nokia 4A0-265 certification exam is a challenging exam that requires candidates to have practical experience in optical network diagnosis and troubleshooting. It is an ideal certification for professionals who work in the field of optical network engineering, system administration, and support. Nokia Optical Diagnostics and Troubleshooting certification exam is recognized globally and is an excellent way to demonstrate one's skills and knowledge in this field.

The Nokia 4A0-265 exam is designed to help individuals enhance their skills in troubleshooting and resolve problems related to optical networks. Additionally, the certification exam enables professionals to evaluate and analyze network performance, detect optical faults, and determine the root cause of any issue with the minimum downtime.

QUESTION 12
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.

QUESTION 13
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

QUESTION 14
Consider the exhibit which shows an EPT Power ManagementReport for an ingress amplifier.
What is the available output optical power range?

-0.6 to 1.72 dB

-0.02 to 1.14 dB

0.56 to 1.14 dB

0.56 to 1.72 dB

QUESTION 15
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.

QUESTION 16
What is the default severity level for a Threshold Crossing Alert (TCA) alarm?

Critical

Major

Minor

Warning

QUESTION 17
Suppose a node is experiencing a little unexpected attenuation over the Optical Supervisory Channel (OSC) transmit direction. Which of the following statements is FALSE?

No OSC-related alarms will raise on the local node.

A “Data Link Down” alarm will raise on the adjacent node.

A Power adjustments action will fail on the local node.

Traffic will pass between the local and adjacent node.

QUESTION 18
A power adjustment has succeeded conditionally because of gain settings set to higher levels than expected by design. Which of the following alarms will raise?

Invalid topology (PRCDRERR-TOPO)

Amplifier Gain Tilt Adjustments Suspended (PWRTILTSUSP)

Power Adjustment Failure (PWRADJFAIL)

Gain Adjustment Exceeded Max Value (PWRMAXGAIN)

QUESTION 19
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.

QUESTION 20
Which of the following statements best describes the Forward Error Correction (FEC) technique?

FEC enables errors to be detected and data to be retransmitted. This technique is effective only above a specified OSNR threshold.

FEC enables errors to be detected and data to be retransmitted. This technique is effective only below a specified OSNR threshold.

FEC enables errors to be detected and corrected without retransmission. This technique is effective only above a specified OSNR threshold.

FEC enables errors to be detected and corrected without retransmission. This technique is effective only below a specified OSNR threshold.

QUESTION 21
Suppose a channel-related alarm is reported on an 1830 PSS node, and is related to a possible Wave Keys clock source issue. What is the recommended order for the following troubleshooting steps?

1. Retrieve the channel power trace.
2. Determine the active clock reference source.
3. Switch to alternate clock source (PF).
4. Replace the suspect PF.

1. Retrieve the channel power trace.
2. Replace the suspect PF.
3. Determine the active clock reference source.
4. Switch to alternate clock source (PF).

1. Determine the active clock reference source.
2. Replace the suspect PF.
3. Retrieve the channel power trace.
4. Switch to alternate clock source (PF).

1. Replace the suspect PF.
2. Retrieve the channel power trace.
3. Switch to alternate clock source (PF).
4. Determine the active clock reference source.

QUESTION 22
Consider the exhibit which shows an EPT Power Management Report referring to an ingress amplifier. What is the available output optical power range?

-0.6 to 1.72 dB

-0.02 to 1.14 dB

0.56 to 1.14 dB

0.56 to 1.72 dB

QUESTION 23
Consider the exhibit which shows part of an EPT Schematic View. Which number refers to the Wavelength Router (WR8-88) block?

QUESTION 24
Which of the following issues can cause a “Loss too low” message to be displayed after a power adjustment has been provided?

Unstable optical power levels

A dirty fiber connector

An incorrect EPT network design

A defective WSS unit

QUESTION 25
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.

QUESTION 26
Consider the exhibit. A single directional fiber cut is occurring between two amplifiers in unidirectional configuration with Raman pump.
Multiple services are crossing the affected span.
Which node(s) will report an Incoming Payload LOS” alarm?

No node, as a Raman pump is used in Node A.

Node C only.

Both Node A and Node C

Neither Node A nor Node C.

QUESTION 27
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?

(I) total number of alarms = 5
(ii) number of serviceaffectingalarms = 2
(Hi) number of conditions = 14

(i) total number of alarms = 7
(ii) number of service affecting alarms = 5
(Hi) number of conditions = 7

(i) total number of alarms = 2
(ii) number of service affecting alarms = 2
(Hi) number of conditions = 18

(i) total number of alarms = 4
(ii) number of service affecting alarms = 14
(iii) number of conditions = 2

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