Exam Name: Nokia Segment Routing Exam
Certification Provider: Nokia
Corresponding Certification: Nokia Service Routing Architect
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In 2026, the 4A0-116 exam still has a reputation for tricky wording and broad coverage, and the Nokia Segment Routing syllabus is no exception. Working through 42 practice questions at Fast2test helps you spot weak areas early instead of discovering them in the testing center.
Nokia 4A0-116 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia Segment Routing Exam |
| Exam Number: | 4A0-116 |
| Available Languages: | English |
| Exam Price: | $125 USD |
| Related Certifications: | Nokia Service Routing Architect |
| Exam Format: | Multiple Choice |
| Real Exam Qty: | 40 |
| Exam Duration: | 90 minutes |
| Recommended Training: | Nokia Segment Routing Course |
| Exam Registration: | Official Nokia SRC Exam Registration |
| Sample Questions: | Nokia 4A0-116 Sample Questions |
| Exam Way: | Proctored online or test center (Pearson VUE delivery) |
| Pre Condition: | None |
| Official Syllabus URL: | https://www.nokia.com/networks/training/src/exams/segment-routing/ |
Nokia 4A0-116 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Path Computation Element (PCE) | - PCEP protocol basics - PCE concept and architecture - SR-TE path computation via NSP/PCE |
| Basic Segment Routing Configuration and Operation | - Configuring Segment Routing in OSPF - IGP shortest-path Segment Routing tunnels - IGP extensions for Segment Routing (IS-IS, OSPF) - Configuring Segment Routing in IS-IS |
| Flexible Algorithms (Flex-Algo) | - Flex-algo fundamentals - IGP advertisement for flex-algo - Traffic steering using flex-algo SR tunnels |
| Fast Reroute (FRR) | - Directed LFA (D-LFA) - Loop-Free Alternate (LFA) concepts - Topology-Independent LFA (TI-LFA) - Remote LFA (R-LFA) |
| Introduction to Segment Routing | - Segments, Segment IDs and MPLS label mapping - Comparison with traditional MPLS signaling - Segment routing fundamentals and architecture |
| Segment Routing Traffic Engineering (SR-TE) | - SR-TE LSP configuration - TE constraints and CSPF path computation - Traffic engineering fundamentals - Seamless BFD for failover detection - Primary and secondary path behavior |
4A0-116 Exam FAQ: What Candidates Ask About Nokia Segment Routing
The 4A0-116 exam, officially titled Nokia Segment Routing Exam, is the Nokia exam you pass to earn the Nokia Service Routing Architect (SRC) certification, a credential at the Professional level. Passing it confirms the skills defined in the official exam outline, and it is associated with related credentials such as Nokia Service Routing Architect.
The 4A0-116 exam includes 40 questions and gives you 90 minutes to finish them. That is a tight pace per question, so get used to reading each stem once, flagging anything uncertain, and moving on rather than getting stuck. Running timed practice tests in the Fast2test desktop or online test engine is the most reliable way to build that rhythm before exam day.
Nokia lists the following prerequisites or eligibility notes for the 4A0-116 exam: None. Requirements can change over time, so confirm the details on the official exam page at Nokia's official site before you register.
You can register for the 4A0-116 exam through the official channels below:
The exam is delivered in the following format: Proctored online or test center (Pearson VUE delivery). Choose a date that leaves you enough time to work through the full 42-question practice set first.
Nokia recommends the following training resources for 4A0-116 candidates:
Official courses build the theory, and the 42 practice questions from Fast2test help you turn that theory into exam-ready speed and accuracy.
Yes. Fast2test offers a free PDF demo of the 4A0-116 material, so you can check the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates, and if your product expires you can extend the update service at a 50% discount from your member zone.
Your purchase is protected by a 100% Money Back Guarantee with clear conditions: if you take the corresponding 4A0-116 exam within 60 days of purchase and do not pass, you can apply for a full refund. The candidate name must match the payer name, and you need to submit a scanned exam enrollment slip together with the official Score Report PDF within 2 days of taking the exam; claims are processed within 7 days. Sitting the exam within 3 days of purchase, downloading without taking the exam, free materials, and expired orders are not covered. If you would rather not take a refund, you can exchange your order for two free exam products of equal value and keep the update service on your original purchase.
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The 4A0-116 exam blueprint is divided into 6 domains, starting with Segment Routing Traffic Engineering (SR-TE); Basic Segment Routing Configuration and Operation; Path Computation Element (PCE). For the complete domain-by-domain breakdown, see the Exam Topics section above — it lists every topic the current outline covers.
Nokia Segment Routing Sample Questions:
Question 1
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 at least one router in the network to create and advertise the flex-algo definition.
C. Configuring the proper values for the shared-risk link groups (SRLGs) that will define the flex-algo topology.
D. Configuring LSPs between every pair of PE routers.
Question 2
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. Traffic engineering has been enabled on this router.
C. Traffic engineering information will only be advertised for the interfaces that have both MPLS and RSVP enabled.
D. The Node-SID assigned to this router is the second label in the defined range.
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, R3, R5, R6
B. R1, R2, R4, R6
C. R1, R6
D. R1, R5, R6
Question 4
Which of the following statements about SR-TE administrative constraints is FALSE?
A. The head-end router may calculate a path that takes into account max hop count and bandwidth constraints.
B. A strict hop must be adjacent to the previous hop in the list.
C. Shared-Risk-Link Groups are only taken into account when calculating the secondary path.
D. The TE metric for a link is by default the same as the IGP metric.
Question 5
Which of the following steps is NOT required when configuring IS-IS to support Segment Routing?
A. The Segment Routing Global Block range.
B. Enable interfaces used for Segment Routing under
C. The flooding scope of Segment Routing information.
D. MPLS label range reserved for Segment Routing.
Solutions:
| Question 1 Answer: B | Question 2 Answer: C | Question 3 Answer: A | Question 4 Answer: C | Question 5 Answer: B |
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