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Nokia Nokia Service Routing Architect ✓ Updated May 2026

Nokia Border Gateway Protocol

Exam Code: 4A0-102
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About the 4A0-102 Exam

The Nokia Border Gateway Protocol (BGP) exam, coded 4A0-102, is a specialized certification test for network professionals aiming to validate their expertise in BGP configuration and operation within Nokia's Service Routing Architect (SRA) track. This exam focuses on the implementation of BGP in Service Provider environments using Nokia's 7750 SR and 7950 XRS platforms. It covers essential BGP concepts such as path selection, route reflectors, confederations, and policy-based routing, emphasizing real-world scenarios where BGP is critical for inter-domain routing and traffic engineering.

Candidates who pass the 4A0-102 exam demonstrate proficiency in designing and troubleshooting BGP networks, which is vital for managing large-scale ISP and carrier networks. The exam tests skills like configuring BGP sessions, manipulating attributes like MED and local preference, and implementing security features such as prefix limits and TTL security. This knowledge is directly applicable to optimizing network performance, ensuring redundancy, and controlling traffic flow across autonomous systems, making it essential for professionals working with Nokia equipment.

The 4A0-102 exam is part of the broader Nokia Service Routing Architect certification, which is highly regarded in the telecommunications industry. It is designed for network engineers and architects who require deep understanding of BGP for building scalable and reliable networks. By passing this exam, candidates validate their ability to handle complex BGP configurations, which is a critical skill in today's internet infrastructure where BGP is the de facto inter-domain routing protocol.

Who Should Take the 4A0-102 Exam?

This exam is intended for network engineers, architects, and administrators who work with Nokia service routers in ISP or large enterprise environments. Ideal candidates have at least 2-3 years of experience in IP networking and a solid understanding of BGP concepts. Prerequisites include familiarity with Nokia's router CLI and completion of the associated Nokia BGP training course.

Topics Covered in 4A0-102

📊
BGP Fundamentals and Operation
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BGP Path Selection and Attributes
💡
Route Reflectors and Confederations
🛡️
BGP Policy and Filtering
🏗️
BGP Security (TTL, Prefix Limits)
🔧
BGP in Service Provider Networks
⚖️
BGP Multi-homing and Traffic Engineering
🎯
BGP Troubleshooting and Best Practices

Preparation Tips for 4A0-102

Hands-on practice with Nokia 7750 SR or 7950 XRS routers is crucial; use simulation tools like Nokia's VSR to configure BGP sessions and policies.
Focus on understanding BGP attribute manipulation (e.g., local preference, MED) and how it affects path selection in multi-homed scenarios.
Study route reflector and confederation configurations thoroughly, as these are common in large-scale BGP deployments.
Review Nokia-specific BGP features like the 'bgp-ipv6' address family and 'peer-as' configuration for inter-AS scenarios.
Practice troubleshooting BGP issues using show commands like 'show router bgp routes' and 'show router bgp neighbor' to identify common problems.

Frequently Asked Questions — 4A0-102

What is the passing score for the 4A0-102 exam?

The passing score for the Nokia 4A0-102 exam is typically set at 70%, but it may vary slightly depending on the exam version. Check the official Nokia certification portal for the most current passing criteria.

How many questions are on the 4A0-102 exam?

The 4A0-102 exam consists of approximately 60-70 multiple-choice questions, covering topics like BGP configuration, path selection, and policy implementation. You have 90 minutes to complete the exam.

Can I retake the 4A0-102 exam if I fail?

Yes, you can retake the Nokia 4A0-102 exam after a 14-day waiting period. There is no limit on the number of retakes, but each attempt requires payment of the exam fee. Review your weak areas using practice tests before retaking.

How many questions are in the ExamsTree 4A0-102 study guide?
The ExamsTree 4A0-102 PDF study guide contains 152+ practice questions with detailed answer explanations, all mapped to the official Nokia exam objectives.

Why Choose ExamsTree?

ExamsTree 4A0-102 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 152+
Format PDF
Updated 5/24/2026
Cert Nokia Service Routing Architect
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