Nokia 4A0-255 Exam - Topic 13 Question 82 Discussion

Actual exam question for Nokia's 4A0-255 exam

Question #: 82
Topic #: 13

Refer to the exhibit that shows a demand matrix, a network topology with candidate links (in thick blue lines and dashed lines), the defined network in thick blue lines and the demand routing (colored numbers in the figure). Every link is 80 km long. Which of the following requirements is supported by this network design with the displayed demand routing?

A1+1 protection

BMinimum cost design

CMinimum latency

DResilience against two link faults

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Suggested Answer: A

by Shayne at Jun 27, 2026, 11:00 AM

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Laura

3 days ago

I vaguely recall that minimum latency focuses on the shortest path, but I can't tell if this network design prioritizes that or something else.

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Thomasena

8 days ago

This question seems similar to one we practiced where we had to identify the best routing strategy based on cost. I wonder if minimum cost design is the right answer here.

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Anastacia

14 days ago

I think I remember that 1+1 protection means having a backup link for every primary link, but I'm not sure if that's what this design supports.

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