عراب ال IT 
امتحانات دوليه
4A0-108 — Written Nokia Service Routing Architect (SRA)
About the Certification
This is an advanced architecture-level certification focused on designing and building Service Routing networks for Service Providers. It aims to equip you with the skills needed to design large-scale IP/MPLS architectures based on best practices, with a strong emphasis on reliability, scalability, and high performance. The certification represents the architectural stage of the Service Routing track at Nokia, transitioning you from network operations to strategic network design and architecture.
Main Curriculum
The curriculum is divided into eight main sections.
- هندسة خدمات VPN (L2VPN & L3VPN)
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- L2VPN: مفاهيم VLL / VPLS / EVPN
- L3VPN: VRFs، RTs، وMP-BGP
- نماذج VPN بين AS
- عزل الخدمة وقابلية التوسع
- المبادئ المعمارية ومنهجية التصميم
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- تحويل متطلبات العمل إلى تصميم تقني
- المقايضات وقرارات التصميم
- قابلية التوسع، المرونة، والوعي بالتكلفة
- التوثيق والتحقق من التصميم
- جودة الخدمة (QoS) وتصميم SLA
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- نماذج QoS من الطرف إلى الطرف
- مفاهيم QoS الهرمي
- ضمان اتفاقيات مستوى الخدمة (SLA Assurance)
- QoS واعٍ بالخدمة
- IGP وهندسة Underlay (IS-IS / OSPF)
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- التصميم الهرمي وتخطيط المناطق
- المقاييس، التقارب، وإعادة التوجيه السريع
- Underlay لشبكات MPLS / Segment Routing
- استراتيجيات التوافر العالي
- هندسة BGP وتصميم السياسات
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- نماذج iBGP وeBGP
- انعكاس المسارات والتكتلات
- التحكم بالسياسات وتوجيه الحركة
- أنماط التصميم بين AS
- أمان الشبكة والمرونة
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- حماية لوحة التحكم (Control Plane Protection)
- أمان البنية التحتية والخدمات
- اعتبارات هجمات DDoS
- سيناريوهات المرونة والفشل
- هندسة MPLS وSegment Routing
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- لوحة التحكم وبيانات MPLS
- تصميم SR-MPLS (SIDs، السياسات)
- أساليب هندسة حركة المرور (Traffic Engineering)
- الترحيل والتكامل المتزامن
- العمليات والمراقبة ودورة حياة الشبكة
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- مفاهيم OAM والقياس عن بعد (Telemetry)
- نماذج التشغيل
- استكشاف الأعطال على نطاق واسع
- تطور الشبكة والترقيات
Exam Details :
- Exam code: 4A0-108
- Exam duration: 90 minutes
- Number of questions: 40–60 questions
- Question types: Multiple-choice questions + Scenario-based / practical design questions
- Language: English
- Passing score: Approximately 60%–65%
- Exam fee: USD 125–150 (may vary by country and may include taxes)
- Certification validity: 3 years
Do I need certifications before it ?
No, not required.
However, it is strongly recommended to have solid architectural networking knowledge, advanced hands-on experience with IP/MPLS and VPN services, and a deep understanding of Service Provider network design, as this background is essential to fully grasp and correctly apply the certification content.
Which certifications are recommended after this one ?
Not mandatory.
However, for those seeking a strong career path in designing routing networks and services using Nokia equipment especially in network architecture, solution planning, and managing complex infrastructure the 4A0-108 — Written Nokia Service Routing Architect (SRA) certification is the strongest and most comprehensive option.
What are the main uses of the 4A0-108 — Written Nokia Service Routing Architect (SRA) ?
- Service Routing Architect (SRA) – Lab – Completing the architectural track and validating design skills hands-on
- Advanced Segment Routing Architectures – Specializing in next-generation network design
- EVPN & Data Center Interconnect (DCI) – Designing large-scale data center interconnect solutions
- Large-Scale ISP Network Architecture – Designing highly complex, global service provider networks
- Network Transformation & Modernization – Leading migration projects from MPLS to SRv6
- Network Automation & Intent-Based Networking – Linking architectural design with automation and intelligent control
Your Strong Start into Service Provider Network Architecture :
This certification is ideal for experienced network engineers who want to move from implementation and operations into large-scale IP/MPLS network architecture. It prepares you to make high-impact strategic design decisions and opens clear paths toward roles such as Network Architect, Solution Architect, and lead designer for major network transformation projects.
Who is this certification suitable for?
- Network Engineers or Service Provider Engineers
- Professionals involved in designing or evolving Service Provider networks
- Engineers with strong experience in IP/MPLS and VPN services
- Professionals participating in network design and expansion decisions
- Engineers aiming to transition from day-to-day operations into architectural roles