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From a free demo to downloadable study files and browser-based practice, Actual4dump keeps 4A0-116 preparation in one place. Candidates preparing for Nokia Segment Routing in 2026 can review 42 practice questions, track progress, and keep materials current with free updates.

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Nokia 4A0-116 Exam Overview:

Certification Vendor:Nokia
Exam Name:Nokia Segment Routing Exam
Exam Number:4A0-116
Available Languages:English
Real Exam Qty:40
Exam Price:125 USD
Certificate Validity Period:3 years
Exam Duration:90 minutes
Related Certifications:Nokia Service Routing Architect
Nokia SR Implementation Specialist
Exam Format:Scenario-based Questions, Multiple Choice
Passing Score:70%
Recommended Training:Nokia Segment Routing Course
Exam Registration:Pearson VUE Registration
Nokia Official Exam Page
Sample Questions: DOWNLOAD DEMO
Exam Way:Online proctored or onsite testing center via Pearson VUE
Pre Condition:No mandatory prerequisites; recommended knowledge of IS-IS, OSPF, and MPLS protocols
Official Syllabus URL:https://www.nokia.com/networks/training/src/exams/segment-routing/

Nokia 4A0-116 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Segment Routing Fast Reroute20%- BFD and failure detection
  • 1. FRR activation and switchover
    • 2. Seamless BFD for SR paths
      - Loop-Free Alternate (LFA) protection
      • 1. Standard LFA, Remote LFA, D-LFA
        • 2. Topology-independent LFA
          Topic 2: Introduction to Segment Routing20%- Segment Routing concepts and terminology
          • 1. Comparison with LDP and RSVP-TE
            • 2. Stateless forwarding principle
              • 3. Segment ID (SID) and label mapping
                Topic 3: SR-MPLS Control Plane25%- IS-IS extensions for SR
                • 1. Segment routing capability and sub-TLVs
                  • 2. Prefix SID and Adjacency SID advertisement
                    - OSPF extensions for SR
                    • 1. SID allocation and propagation
                      • 2. OSPFv2/v3 SR support
                        Topic 4: SRv6 Fundamentals10%- SRv6 header structure
                        • 1. IPv6 SID function
                          • 2. SRv6 deployment use cases
                            Topic 5: Segment Routing Traffic Engineering (SR-TE)25%- SR-TE LSP establishment and operation
                            • 1. Path calculation and constraint-based routing
                              • 2. Flexible Algorithm (Flex-Algo)
                                - Path Computation Element (PCE) integration
                                • 1. PCEP protocol operation
                                  • 2. Centralized path control

                                    Nokia Segment Routing: Frequently Asked Questions

                                    The 4A0-116 exam leads to the Nokia Service Routing Architect (SRA) certification from Nokia. It is positioned at the Professional level. The exam validates the knowledge and skills expected of candidates preparing for Nokia Segment Routing.

                                    Related certifications include:

                                    • Nokia Service Routing Architect
                                    • Nokia SR Implementation Specialist

                                    The 4A0-116 exam includes 40 questions and allows 90 minutes. Before test day, divide the available time by the number of questions in a timed practice set to establish a steady per-question pace. If a difficult item starts consuming too much time, mark it for review and move forward instead of losing momentum. A full timed practice session can help you decide when to move on, when to return, and how much buffer to reserve for a final check.

                                    The passing score for 4A0-116 is 70%, and the official exam fee is 125 USD. Because a retake requires paying the exam fee again, use timed practice results as a readiness check before scheduling your next attempt. If your performance remains inconsistent, continue reviewing weak domains and repeat a timed session before booking the exam.

                                    No mandatory prerequisites; recommended knowledge of IS-IS, OSPF, and MPLS protocols

                                    Eligibility rules can change, so confirm the current requirements on the official exam page before registering.

                                    You can register through the official channels listed below:

                                    The available exam delivery method is Online proctored or onsite testing center via Pearson VUE.

                                    The official training options include:

                                    After reviewing the recommended training, reinforce what you learned with Actual4dump's 42 practice questions for 4A0-116.

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                                    The current 4A0-116 outline is organized into 5 top-level domains. The first listed areas include:

                                    • Segment Routing Traffic Engineering (SR-TE) (25%)
                                    • Introduction to Segment Routing (20%)
                                    • SRv6 Fundamentals (10%)

                                    Review the Exam Topics section above for the complete outline and any nested subtopics.

                                    Nokia Segment Routing Sample Questions:

                                    Question 1

                                    Which of the following is not required to be advertised by a router participating in Segment Routing?

                                    A. Local Node-SID
                                    B. Adjacency-SIDs
                                    C. Support for SR-MPLS for IPv4 or IPv6, or SRv6
                                    D. SRGB when SRv6 is configured


                                    Question 2

                                    To create a flex-algo instance in a network, which of the following configuration steps is mandatory?

                                    A. Specifying whether the LSP paths will be computed locally or by an external path computation element (PCE).
                                    B. Configuring LSPs between every pair of PE routers.
                                    C. Configuring at least one router in the network to create and advertise the flex-algo definition.
                                    D. Configuring the proper values for the shared-risk link groups (SRLGs) that will define the flex-algo topology.


                                    Question 3

                                    Examine the exhibit.

                                    An LSP is being configured to start at R1 and end at R6 using local CSPF. The LSP has the following constraints. Include admin-group GREEN, use the TE metric and hop-limit 3. What routers will be included in the LSP path?

                                    A. R1, R5, R6
                                    B. R1, R6
                                    C. R1, R2, R4, R6
                                    D. R1, R3, R5, R6


                                    Question 4

                                    Based upon the exhibit, which of the following statements regarding the configuration is FALSE?

                                    A. Adjacency-SID labels will not be advertised as they have not been defined under the physical interfaces.
                                    B. The Node-SID assigned to this router is the second label in the defined range.
                                    C. Traffic engineering has been enabled on this router.
                                    D. Traffic engineering information will only be advertised for the interfaces that have both MPLS and RSVP enabled.


                                    Question 5

                                    Which of the following is NOT an advantage of using a PCE for the computation of TE-constrained LSP paths, as compared to using CSPF locally on the PE router?

                                    A. The ability to create cross-area TE-constrained LSP paths
                                    B. The ability to ensure that some LSP paths are disjoint
                                    C. The ability to create LSP paths with bandwidth reservation
                                    D. The ability to create LSPs with primary and secondary paths


                                    Solutions:

                                    Question 1
                                    Answer: D
                                    Question 2
                                    Answer: C
                                    Question 3
                                    Answer: D
                                    Question 4
                                    Answer: D
                                    Question 5
                                    Answer: C

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