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Nokia 4A0-255 Exam With Confidence Using Practice Dumps

Exam Code:
4A0-255
Exam Name:
Nokia Advanced Optical Network Design
Vendor:
Questions:
40
Last Updated:
Nov 23, 2024
Exam Status:
Stable
Nokia 4A0-255

4A0-255: Optical Network Design Expert Exam 2024 Study Guide Pdf and Test Engine

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Nokia Advanced Optical Network Design Questions and Answers

Question 1

Which of the following statements about the Decision (HDEFC) decoding and soft decision FEC (SDFEC) decoding is FALSE?

Options:

A.

HDFEC injects less latency into the decoding process than SDFEC.

B.

HDFEC provides a higher coding gain than SDEFC

C.

HDFEC uses fewer thresholds than SDEFC.

D.

HDFEC discards bits earlier in the decoding process than SDEFC.

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Question 2

Consider two EDFA amplifiers in cascade. Each EDFA has an average input signal power of 10 mW and an average noise power of 1 mW. What is the OSNR of the system at the receiver.

Options:

A.

20 dB

B.

10 dB

C.

7 dB

D.

5 bB

Question 3

Which of the following about the Optical channel Transport Unit (OUT0 in ONT network is correct?

Options:

A.

OUT refer to the section between two multiplexers passing through one or moreamplifiers.

B.

OUT refers to the section between two amplifiers.

C.

OUT enables the multiplexing of OCH connections.

D.

OUT enables FEC processing.