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Nokia 4A0-255 Exam With Confidence Using Practice Dumps

Exam Code:
4A0-255
Exam Name:
Nokia Advanced Optical Network Design
Certification:
Optical Network Design Expert
Vendor:
Nokia
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

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Question 1

Which of the following statements about Bit Error Rate (BER) is correct?

Options:

A.

BER is the ratio of redundant bits to correct bits.

B.

BER is measured at both the transmitted and receiving ends.

C.

BER can be measured beforeafter the FEC decoding.

D.

BER can be accurately measured in a short period of time , for any rate.

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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 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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