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4A0-265 Nokia Optical Diagnostics and Troubleshooting Exam Questions and Answers

Questions 4

Consider the exhibit which shows an EPT Power ManagementReport for an ingress amplifier.

What is the available output optical power range?

4A0-265 Question 4

Options:

A.

-0.6 to 1.72 dB

B.

-0.02 to 1.14 dB

C.

0.56 to 1.14 dB

D.

0.56 to 1.72 dB

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Questions 5

Which of the following commands is used to retrieve the total output power level?

Options:

A.

show interface am2125a 1/6/lineout

B.

show interface am2125a 1/6/lineout detail

C.

show interface am212 5a 1/6/lineout pm

D.

show interface am2125a 1/6/lineout wavekey

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Questions 6

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

Options:

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 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.

C.

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

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.

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Questions 7

Which of the following statements about the Wavelength Tracker (WT) capability is TRUE?

Options:

A.

Wave Keys are originated by optical amplifiers.

B.

WT uses a unique identifier based on a pair of numbers encoded by Raman amplifiers into each service wavelength direction.

C.

WT is compatible with other vendor domains, but the user must make sure that Wave Keys are unique on the crossed domains.

D.

WT uses a unique identifier based on a pair of numbers encoded by Optical Transponders OTs) into each service wavelength direction.

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Questions 8

Which of the following Performance Measurement (PM) type is NOT typically retrieved at an Optical Transponder (OT) line interface?

Options:

A.

Digital Wrapper (DW)

B.

Ethernet collision counters

C.

Forward Error Correction - Errors Counted (FEC-EC)

D.

Optical Power Received (OPR)

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Questions 9

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

Options:

A.

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

B.

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

C.

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

D.

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

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Questions 10

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?

Options:

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

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Questions 11

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

4A0-265 Question 11

Options:

A.

1

B.

2

C.

3

D.

4

E.

5

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Questions 12

What is the typical severity level of a "Loss of Signal" (LOS) alarm?

Options:

A.

Critical

B.

Major

C.

Minor

D.

Warning

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Exam Code: 4A0-265
Exam Name: Nokia Optical Diagnostics and Troubleshooting Exam
Last Update: Apr 22, 2024
Questions: 40

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