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Nokia 4A0-116 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia Segment Routing Exam |
| Exam Number: | 4A0-116 |
| Exam Price: | 125 USD |
| Related Certifications: | Nokia Service Routing Architect |
| Available Languages: | English |
| Real Exam Qty: | 40 |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple choice |
| Sample Questions: |  |
| Exam Way: | Written (Pearson VUE – online or test center) |
| Pre Condition: | None (no mandatory prerequisites) |
| Official Syllabus URL: | https://www.nokia.com/networks/training/src/exams/segment-routing/ |
Nokia 4A0-116 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Segment Routing Traffic Engineering | - Secondary paths and seamless-BFD - Calculating TE constrained LSP paths - Traffic-engineering fundamentals and enabling TE |
| Topic 2: Flexible Algorithms (Flex-Algo) | - Flex-algo basics and configuration - Flex-algo traffic steering and fast re-route |
| Topic 3: SR-TE with Path Computation Element (PCE) | - PCE concepts and PCEP - Configuring segment routing LSPs with PCE |
| Topic 4: Basic Segment Routing Configuration & Operation | - Link-state routing protocol extensions (IS-IS/OSPF) - Configuring segment routing tunnels and shortest path usage |
| Topic 5: Segment Routing Concepts & Fundamentals | - Segment routing concepts, terminology and use cases - Differences between segment routing and traditional MPLS signaling |
| Topic 6: Fast Re-Route & Loop-Free Alternatives | - Loop-Free Alternate (LFA) options - Remote, Directed and TI-LFA paths |
Nokia 4A0-116 Exam: FAQ for Serious Candidates
Nokia Segment Routing is an official Nokia exam, listed under exam code 4A0-116. A passing result earns you the Nokia Service Routing Architect certification at the Elective (within Service Routing Architect Certification) level. It also ties into Nokia Service Routing Architect, extending its value across your certification roadmap. Employers read this credential as verified competence, which is why it keeps appearing in job requirements.
Expect 40 questions inside 90 minutes on the Nokia Segment Routing exam. That pace punishes hesitation, so rehearse it: the ActualPDF software engine simulates the real exam scene, reminds you of the questions you got wrong, and pushes you to re-practice them until the clock stops being your enemy.
None (no mandatory prerequisites)
Requirements evolve, so confirm the current conditions before registering on the official exam page.
Yes. ActualPDF provides a free download demo of the Nokia Segment Routing material, so you can check the content before choosing a version. After purchase, a one-year warranty covers you: the latest version is sent to you as it releases, free for 365 days, and after expiry you can extend the update service at a 50% discount.
Your purchase is covered by a 100% money-back guarantee with clear conditions. Take the Nokia Segment Routing exam within 60 days of purchase; if you fail, provide your unqualified result by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the full refund is processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are not covered. Alternatively, exchange for two other exam products of equal value, free, or wait for updates while keeping your original product's update service.
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The Nokia Segment Routing syllabus spans 6 domains, led by SR-TE with Path Computation Element (PCE), Segment Routing Traffic Engineering, and Basic Segment Routing Configuration & Operation. The complete topic list is published above; candidates who study the map first rarely get lost later.
Nokia Segment Routing Sample Questions:
The exhibit shows the fast re-route configuration on router R1, in which both R-LFA and TI-LFA have been enabled. Assume that there are multiple potential backup paths for a given prefix. Which of the following options will router R1 use?
- A. A D-LFA path that would not coincide with the path after IGP re-convergence.
- B. A D-LFA path that would coincide with the path after IGP re-convergence.
- C. A standard LFA path that would not coincide with the path after IGP re-convergence.
- D. An R-LFA path that would not coincide with the path after IGP re-convergence.
Correct Answer: B 🗳️
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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 the proper values for the shared-risk link groups (SRLGs) that will define the flex-algo topology.
- D. Configuring at least one router in the network to create and advertise the flex-algo definition.
Correct Answer: D 🗳️
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Which of the following is NOT a valid option to steer traffic into a flex-algo segment-routing tunnel?
- A. Configuring and applying a VRF import policy to a VPRN service and enabling the sr-is-is or sr-ospf tunnel type for the service, depending on the underlying routing protocol.
- B. Specifying the flex-algo instance ID as an additional TE constraint for an SR-TE LSP and enabling the sr-te tunnel type for a VPN service.
- C. Configuring and applying a VSI import policy to an EVPN service and enabling the sr-is-is or sr-ospf tunnel type for the service, depending on the underlying routing protocol.
- D. Using a flex-algo Node-SID as an explicit hop in the path definition of an SR-TE LSP and enabling the sr-te tunnel type for a VPN service.
Correct Answer: C 🗳️
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When OSPF is used to support Segment Routing, the first byte of the link-state ID associated with each of the opaque LSAs indicates the type of information being advertised. Which of the following associations between the first-byte value and its meaning is FALSE?
- A. Value 7 - SRGB Range
- B. Value 8 - Extended Link Info
- C. Value 4 - Router Info
- D. Value 1 - Traffic Engineering
Correct Answer: B 🗳️
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Which of the following statements about a Segment Routing SID is FALSE?
- A. Adjacency-SID values are taken from the SRGB configured for the routing protocol.
- B. A Prefix-SID can be configured directly as a label value or indirectly as an index.
- C. A Node-SID is usually associated with a router's system interface.
- D. An Adjacency-SID does not have to be configured.
Correct Answer: D 🗳️
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