Nokia 4A0-255 : Nokia Advanced Optical Network Design

Exam Code: 4A0-255

Exam Name: Nokia Advanced Optical Network Design

Updated: Jul 15, 2026

Q & A: 40 Questions and Answers

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Nokia 4A0-255 Exam Syllabus Topics:

Topic	Details
Topic 1	Describe the concept of trail grooming Design a network accounting for medium to long-term growth
Topic 2	Identify solutions for latency optimization and measurements Analyze traffic in the given double-ring design
Topic 3	How to determine the number of network elements and their location Design a network with no ASE noise OTs segregation
Topic 4	Analyze nominal and restoration routes in EPT Design networks with control plane enabled
Topic 5	Define low Automatic Spontaneous Emission (ASE) OTs segregation Find alternative routes with better OSNR
Topic 6	Describe SRG and “failure scope” configuration Design networks with control plane enabled

Reference: https://www.nokia.com/networks/training/onc/exams/advanced-optical-network-design/

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