Nokia 4A0-265 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 4A0-265
Exam Name/Title: Nokia Optical Diagnostics and Troubleshooting
Certification Provider: Nokia
Corresponding Certification: Nokia Optical Network Services Expert

Exam Questions: 40
Updated On: Jul 11, 2026

Question #5

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

A. Major

B. Minor

C. Critical

D. Warning

Discussion 0

Correct Answer: D Vote an answer

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Question #6

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

A. A defective WSS unit

B. An incorrect EPT network design

C. Unstable optical power levels

D. A dirty fiber connector

Discussion 0

Correct Answer: C Vote an answer

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Question #7

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

A. 8.0

B. 2.5

C. 1.5

D. 11.5

Discussion 0

Correct Answer: A Vote an answer

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Question #8

Which of the following statements best describes the output of the CLI command: show wavekey wtmonitor
1/6/LINE summary?

A. A list of all channels detected against the selected interface, including Wave Keys pair, channel status, expected and measured power, allowed deviation, and tolerance.

B. A list of the unexpected channels detected against the selected interface.

C. A list of all channels on this interface for which any Wave Keys pair is being received.

D. 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.

Discussion 0

Correct Answer: D Vote an answer

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