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  5. Nokia Advanced Optical Network Design Questions and Answers

4A0-255 Nokia Advanced Optical Network Design Questions and Answers

Questions 4

Which of the following statements about the recovery time for protection and restoration combined (PRC) is correct?

Options:

A.

PRC can be as fact as sub-network connection protection (SNCP)

B.

PRC is as fast as restoration mechanisms.

C.

PRC has a recovery time that depends on the broken links.

D.

PRC has a typical recovery time greater than 50 ms.

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Questions 5

Consider the exhibit that shows a network design in EPT.

Seven segments are definedsegment lengths are shown in the list below the network map.

3 services are defined each service carries a 10G signal, is protected by diverse path and is router by shorted distance.

Which of the following links is the heavily loaded?

4A0-255 Question 5

Options:

A.

Site A- SiteB

B.

SiteC–SiteD

C.

SiteE-SiteF

D.

All three links have the same load

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Questions 6

Which of the following is recommended to reduce the latency of a 30km long link?

Options:

A.

DCM-free amplifiers

B.

Soft-decision FEC

C.

Low-noise amplifiers

D.

L1 encryption

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Exam Code: 4A0-255
Exam Name: Nokia Advanced Optical Network Design
Last Update: Jan 19, 2026
Questions: 40

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