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Nokia 4A0-103 Practice Test Questions Answers

Exam Code: 4A0-103 (Updated 249 Q&As)
Exam Name: Alcatel-Lucent Multi Protocol Label Switching
Last Update: 02-Mar-2026
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Questions Include:

  • Single Choice: 221 Q&A's
  • Multiple Choice: 28 Q&A's

  • 4A0-103 Overview

    Nokia 4A0‑103 Exam Overview

    Category Details
    Exam Name Nokia Multiprotocol Label Switching
    Exam Code 4A0‑103
    Certification Program Nokia Service Routing Certification (SRC)
    Certification Tracks - Nokia Network Routing Specialist II (NRS II)
    - Nokia Service Routing Architect (SRA) (credit toward)
    Purpose Validates candidate knowledge of MPLS technologies used in service routing, including MPLS fundamentals and application in network services.
    Target Audience Network engineers and professionals working with Nokia Service Routers and IP/MPLS networks.
    Prerequisites None mandatory; recommended knowledge of IP networking and routing.
    Language English
    Delivery Method Computer‑based proctored exam via Pearson VUE (online or test center).
    Exam Fee USD 125 (approx.)

     

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    Nokia 4A0-103 Exam Topics Breakdown

    Domain / Topic Area Description
    MPLS Fundamentals Basic MPLS concepts, standards, label operations and architecture.
    Label Distribution Mechanisms for distributing MPLS labels (LDP/RSVP‑TE).
    Traffic Engineering Techniques such as RSVP traffic engineering and MPLS‑TE use cases.
    Resiliency & Operation MPLS network behavior under failures and recovery mechanisms.
    Service Integration How MPLS supports routing and service delivery in service‑provider networks.

     

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    Nokia 4A0-103 Exam Dumps FAQs

    The Nokia 4A0-103 exam, titled Segment Routing Concepts, is a foundational exam within the Service Routing Certification (SRC) program, specifically for the Nokia SRC (NRS) II track. It validates your understanding of Segment Routing (SR) architecture, principles, and basic operations within an IP/MPLS network, independent of specific vendor hardware. Passing this exam is a prerequisite for more advanced NRS II and professional-level certifications.

    As a foundational, concept-based exam, 4A0-103 is considered moderate in difficulty. Its challenge lies in understanding the abstract architecture of Segment Routing—shifting from traditional MPLS LDP/RSVP-TE thinking to a source-based routing paradigm. Solution2Pass reduces this difficulty by providing real questions that clarify these concepts, with our exam dumps offering clear explanations that build your mental model of SR.

    Nokia recommends that candidates have a solid understanding of IP/MPLS fundamentals, equivalent to the knowledge from the NRS I certification. There is no formal mandatory prerequisite, but experience with IP routing protocols (OSPF, IS-IS) and basic MPLS is essential to understand the context and value of Segment Routing.

    You can schedule your 4A0-103 exam through Pearson VUE, Nokia's official proctoring partner. Simply visit the Pearson VUE website, search for "4A0-103," and select a date at a local testing center. Nokia also supports online proctored exams, allowing you to earn your certification from home, provided your workspace meets their strict security and technical requirements.

    The Nokia 4A0-103 exam blueprint focuses on several critical domains:

    • MPLS Fundamentals: Label stacks, Forwarding Equivalence Classes (FECs), and Label Information Base (LIB) operations.

    • Label Distribution Protocol (LDP): Adjacency formation, label retention, and LDP-over-RSVP.

    • RSVP-TE: Constraint-based Shortest Path First (CSPF), bandwidth reservation, and path signaling.

    • Resiliency: Link and node protection via Fast Reroute (FRR).

    The 4A0-103 exam contains 60 multiple-choice questions. Candidates are given 90 minutes to complete the exam. To effectively prepare for this format and time limit, Solution2Pass provides a targeted practice test with a similar number of practice questions, helping you build the speed and accuracy needed for success.

    The passing score for the 4A0-103 exam is 64%. This means you must correctly answer at least 39 out of the 60 questions to pass. Our Solution2Pass practice test engine provides detailed scoring and feedback, clearly indicating if you are consistently meeting or exceeding this critical threshold before you schedule the official exam.

    Solution2Pass provides an essential study edge through our updated Exam questions and a state-of-the-art testing engine. Our platform allows you to simulate the real exam environment, helping you build the analytical reasoning required for scenario-based questions. By reviewing our questions answers, you can master complex label distribution behaviors and RSVP-TE signaling without the stress of the official testing room.

    Our content team tracks the Nokia SRC program structure and exam blueprint. Our real questions and practice test content are designed to align with the current version of the 4A0-103 exam objectives, ensuring you study relevant and up-to-date material.

    4A0-103 Questions and Answers

    Question # 1

    Which of the following describes 6PE?

    A.

    P routers run IPv4 only. PE routers run IPv4 only and exchange IPv6 routes using MP-BGP.

    B.

    P routers run IPv4 only. PE routers run both IPv4 and IPv6 and exchange IPv6 routes using MP-BGP.

    C.

    P routers run IPv6 only. PE routers run both IPv4 and IPv6 and exchange IPv4 routes using MP-BGP.

    D.

    P routers run IPv6 only. PE routers run IPv6 only and exchange IPv4 routes using MP-BGP.

    Question # 2

    Which of the following about MPLS shortcuts for IGP on an Alcatel-Lucent 7750 SR is FALSE?

    A.

    An IGP route takes priority over a transport tunnel.

    B.

    Both LDP and RSVP-TE based tunnels can be used.

    C.

    MPLS tunnels can be used to resolve the prefixes learned via IGP.

    D.

    Multiple MPLS tunnels can be installed in the FIB.

    Question # 3

    Which of the following about CSPF is TRUE?

    A.

    The tail-end router performs the CSPF calculation for an LSP.

    B.

    CSPF calculations are always performed on RSVP-TE based LSPs.

    C.

    The head-end router performs the CSPF calculation for an LSP.

    D.

    Each downstream router performs its own CSPF calculation for an LSP.

    Question # 4

    Click on the exhibit.

    Two LSPs traverse the path R1-R2-R3. Both LSPs are configured with facility fast reroute and link protection. When router R1 is the PLR, which router becomes the Merge Point (MP) for this LSP?

    A.

    Router R1

    B.

    Router R2

    C.

    Router R3

    D.

    Router R4

    E.

    Router R5

    Question # 5

    Which MPLS mode saves only active label mappings received from peer LSRs?

    A.

    Conservative label retention

    B.

    Liberal label retention

    C.

    Downstream on demand

    D.

    Downstream unsolicited

    What our customers are saying

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