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Nokia Nokia Service Routing Architect ✓ Updated May 2026

Nokia Segment Routing

Exam Code: 4A0-116
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About the 4A0-116 Exam

The Nokia 4A0-116 exam, officially titled Nokia Segment Routing, is a specialized certification test designed for network professionals aiming to validate their expertise in segment routing technologies within Nokia's ecosystem. This exam is a core component of the Nokia Service Routing Architect certification path, focusing on the principles, configuration, and troubleshooting of segment routing in service provider networks. Candidates who pass this exam demonstrate a deep understanding of how segment routing enhances network scalability, simplifies operations, and supports advanced services like traffic engineering and fast reroute.

Specifically, the 4A0-116 exam covers topics such as segment routing fundamentals, IGP extensions (OSPF and IS-IS), label distribution, and the integration of segment routing with MPLS and IPv6. It also delves into real-world use cases like segment routing for traffic engineering (SR-TE) and its application in 5G transport networks. By mastering these skills, network engineers can design and manage more efficient, resilient, and automated networks, which is critical as service providers transition to next-generation architectures.

This exam is ideal for experienced network engineers, architects, and consultants who work with Nokia routers in large-scale service provider environments. It assumes prior knowledge of MPLS, routing protocols, and Nokia's SR OS operating system. Achieving the Nokia Segment Routing certification not only validates technical proficiency but also enhances career prospects, as segment routing is increasingly adopted by major telecom operators worldwide for its ability to simplify network operations and support dynamic traffic patterns.

Who Should Take the 4A0-116 Exam?

This exam is intended for network engineers, solution architects, and technical consultants who design, implement, or manage service provider networks using Nokia equipment. Candidates should have at least 3-5 years of hands-on experience with routing protocols, MPLS, and Nokia's SR OS, along with a solid understanding of segment routing concepts. Prerequisites include passing the Nokia Service Routing Architect core exams or possessing equivalent knowledge.

Topics Covered in 4A0-116

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Segment routing architecture and principles
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IGP extensions for segment routing (OSPF and IS-IS)
💡
Label stack operations and PHP behavior
🛡️
Segment routing traffic engineering (SR-TE)
🏗️
Segment routing with IPv6 (SRv6) fundamentals
🔧
Fast reroute and TI-LFA mechanisms
⚖️
Segment routing interworking with MPLS and LDP
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Nokia SR OS configuration and verification

Preparation Tips for 4A0-116

Study the official Nokia Segment Routing documentation and SR OS configuration guides to understand command syntax and best practices.
Set up a lab environment with Nokia VSR or physical routers to practice segment routing configurations, including IGP extensions and SR-TE tunnels.
Focus on troubleshooting scenarios, such as label stack issues and TI-LFA failures, as the exam often tests problem-solving skills in real-world contexts.
Review the differences between segment routing and traditional MPLS, especially in areas like label distribution and traffic engineering, to avoid common misconceptions.
Join Nokia user communities or forums to discuss segment routing challenges and solutions, which can provide practical insights beyond official materials.
Take practice tests that simulate the 40-question format of the 4A0-116 exam to build time management skills and identify weak areas.

Frequently Asked Questions — 4A0-116

What is the passing score for the 4A0-116 exam?

The passing score for the Nokia 4A0-116 exam is typically around 70-80%, but this can vary by exam version. Check the official Nokia certification portal for the most current threshold, as it is not publicly disclosed on all study materials.

Are there any lab-based questions on the 4A0-116 exam?

No, the 4A0-116 exam is a multiple-choice and scenario-based test with 40 questions. It does not include live lab simulations, but you should be prepared to interpret configuration outputs and troubleshoot based on given scenarios.

How does the 4A0-116 exam relate to the Nokia Service Routing Architect certification?

The 4A0-116 is an elective exam within the Nokia Service Routing Architect (SRA) certification path. Passing it, along with the required core exams, demonstrates advanced skills in segment routing, which is a key technology for modern service provider networks.

How many questions are in the ExamsTree 4A0-116 study guide?
The ExamsTree 4A0-116 PDF study guide contains 40+ practice questions with detailed answer explanations, all mapped to the official Nokia exam objectives.

Why Choose ExamsTree?

ExamsTree 4A0-116 Study Guide is developed by experienced certification professionals with deep knowledge of Nokia technologies. Our team thoroughly researches each exam domain to provide comprehensive, accurate coverage.

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Exam Details
Vendor Nokia
Questions 40+
Format PDF
Updated 5/24/2026
Cert Nokia Service Routing Architect
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