Free Nokia 4A0-C04 Exam Actual Questions & Explanations

Last updated on: Jul 15, 2026
Author: Anthony Ivanov (Nokia Certification Curriculum Specialist)

The Nokia Network Routing Specialist II certification validates your ability to design, configure, and troubleshoot advanced routing solutions on Nokia platforms. The 4A0-C04 exam, formally titled Nokia NRS II Composite Exam: OSPF version, tests both theoretical knowledge and practical decision-making across core routing domains. This page guides you through the exam structure, key topics, and an efficient study approach to help you prepare confidently. Whether you are advancing your Nokia expertise or pursuing formal recognition, understanding the syllabus and question patterns is essential to success.

4A0-C04 Exam Syllabus & Core Topics

Use this topic map to guide your study for Nokia 4A0-C04 (Nokia NRS II Composite Exam: OSPF version) within the Nokia Network Routing Specialist II path.

  • Nokia OSPF Routing Protocol: Understand OSPF area design, link-state flooding, SPF calculation, and neighbor adjacency. You must be able to configure OSPF in single and multi-area topologies, interpret LSA types, and troubleshoot convergence issues in production networks.
  • Nokia Border Gateway Protocol Fundamentals for Services: Master BGP peering, route advertisement, and AS-path manipulation. Candidates should configure eBGP and iBGP sessions, apply route policies, and evaluate path selection logic in service provider environments.
  • Nokia Multiprotocol Label Switching: Learn MPLS forwarding, label distribution protocols, and LSP setup. You must configure LDP and RSVP-TE, manage label spaces, and diagnose forwarding plane issues in carrier networks.
  • Nokia Services Architecture: Grasp how routing integrates with service delivery, VPN design, and traffic engineering. Candidates should map routing decisions to service requirements and optimize network resource allocation across customer workloads.

Question Formats & What They Test

The 4A0-C04 exam combines multiple-choice and scenario-based questions to assess both foundational knowledge and applied reasoning in real-world routing contexts.

  • Multiple choice: Core definitions, protocol behavior, feature interactions, and terminology. These items verify your grasp of OSPF timers, BGP attributes, MPLS label operations, and services concepts.
  • Scenario-based items: Analyze network diagrams, troubleshooting cases, or design requirements. You select the best configuration change, policy adjustment, or diagnostic step based on stated constraints and goals.
  • Simulation-style tasks: Navigate Nokia system interfaces, apply configuration commands, and verify outputs. These items test your ability to execute practical decisions and confirm expected behavior in live or emulated environments.

Questions progress in difficulty, mixing straightforward recall with complex multi-step reasoning that mirrors challenges faced by routing engineers in service provider and enterprise networks.

Preparation Guidance

An effective study plan breaks the syllabus into weekly blocks, alternates between concept review and practice, and builds confidence through timed exercises. Start by mapping each topic to concrete goals, then reinforce learning through realistic question sets and cross-topic integration.

  • Map Nokia OSPF Routing Protocol, Nokia Border Gateway Protocol Fundamentals for Services, Nokia Multiprotocol Label Switching, and Nokia Services Architecture to weekly study blocks. Track progress on each domain and revisit weak areas before moving forward.
  • Practice question sets covering each topic; review explanations to understand why answers are correct. Focus on common misconceptions and edge cases that appear in real deployments.
  • Link features and concepts across planning, configuration, and troubleshooting workflows. For example, understand how OSPF area design affects BGP route aggregation and MPLS LSP placement in a services architecture.
  • Complete a timed mini mock exam 1-2 weeks before your test date. Use results to refine pacing, identify remaining gaps, and reduce test-day anxiety.

Explore other Nokia certifications: view all Nokia exams.

Get the PDF & Practice Test

Strengthen your preparation with up-to-date resources from validexamdumps.com. These materials align to 4A0-C04 and cover practical scenarios with clear explanations.

  • Q&A PDF with explanations: Topic-mapped questions that clarify why correct options are right and others aren't.
  • Practice Test: Realistic items, timed and untimed modes, progress tracking, and detailed review.
  • Focused coverage: Aligned to Nokia OSPF Routing Protocol, Nokia Border Gateway Protocol Fundamentals for Services, Nokia Multiprotocol Label Switching, and Nokia Services Architecture so you study what matters most.
  • Regular reviews: Content refreshes that reflect syllabus and product changes.

Visit the exam page to download the PDF, Online Practice Test or get Bundle Discount offer for both formats: Nokia NRS II Composite Exam: OSPF version.

Frequently Asked Questions

Which topics carry the most weight on the 4A0-C04 exam?

OSPF and BGP typically account for the largest share of questions, reflecting their central role in modern routing architectures. However, MPLS and Services Architecture are equally important for understanding how routing integrates with carrier-grade service delivery. A balanced study approach across all four domains ensures you are not caught off-guard by any section.

How do OSPF, BGP, MPLS, and Services Architecture connect in real project workflows?

In practice, OSPF often handles internal routing within a service provider network, while BGP connects multiple autonomous systems and advertises external routes. MPLS sits on top of both, creating label-switched paths for traffic engineering and VPN services. Services Architecture ties these together by defining how customer traffic flows through the network and which routing decisions support specific SLA requirements. Understanding these relationships is critical for scenario-based questions.

How much hands-on experience helps, and which labs should I prioritize?

Hands-on experience is valuable but not mandatory if you study effectively. Prioritize labs that let you configure multi-area OSPF, establish BGP peering with route policies, and set up MPLS LSPs. If access to physical hardware is limited, use emulation platforms to practice the same tasks. Focus on troubleshooting labs where you diagnose and fix routing issues rather than just building configurations from scratch.

What common mistakes lead to lost points on this exam?

Candidates often confuse OSPF area types or misapply BGP attributes in policy scenarios. Another frequent error is overlooking MPLS label distribution details or failing to connect routing decisions back to service requirements. Many also rush through scenario questions without fully reading the constraints. Slow down, re-read each question, and double-check that your answer aligns with the stated network goals and limitations.

What is an effective review strategy in the final week before the exam?

In your final week, avoid learning new topics; instead, review weak areas identified in practice tests and do quick recall drills on key terms and protocol timers. Run one full-length timed mock to build stamina and refine pacing. Spend time on scenario questions you found difficult, and trace through your reasoning step-by-step. Get adequate sleep and stay calm; last-minute cramming often hurts performance more than it helps.

Question No. 1

Which of the following about RSVP-TE is FALSE?

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Correct Answer: A

Question No. 2

An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration?

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Correct Answer: C

Question No. 3

What type of OSPF router generates a type 2 LSA?

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Correct Answer: C

Question No. 4

What class of attribute is Originator_ID?

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Correct Answer: D

Question No. 5

Click on the exhibit.

An LDP-over-RSVP tunnel is established between PE-1 and PE-2. Which of the following is NOT required to protect the LDP-over-RSVP tunnel?

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Correct Answer: B