Exam Name: Nokia Segment Routing Exam
Certification Provider: Nokia
Corresponding Certification: Nokia Service Routing Architect
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Updated: Oct 11, 2026
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- Total Questions: 42
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- Total Questions: 42
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Nokia 4A0-116 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia Segment Routing Exam |
| Exam Number: | 4A0-116 |
| Related Certifications: | Nokia Service Routing Architect |
| Real Exam Qty: | 40 |
| Available Languages: | English |
| Exam Format: | Multiple Choice |
| Exam Price: | $125 USD |
| Exam Duration: | 90 minutes |
| Recommended Training: | Nokia Segment Routing Course |
| Exam Registration: | Official Nokia SRC Exam Registration |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
|---|---|
| Topic 1: Introduction to Segment Routing | - Segments, Segment IDs and MPLS label mapping - Comparison with traditional MPLS signaling - Segment routing fundamentals and architecture |
| Topic 2: Basic Segment Routing Configuration and Operation | - Configuring Segment Routing in IS-IS - IGP extensions for Segment Routing (IS-IS, OSPF) - IGP shortest-path Segment Routing tunnels - Configuring Segment Routing in OSPF |
| Topic 3: Path Computation Element (PCE) | - PCE concept and architecture - PCEP protocol basics - SR-TE path computation via NSP/PCE |
| Topic 4: Segment Routing Traffic Engineering (SR-TE) | - Seamless BFD for failover detection - TE constraints and CSPF path computation - Traffic engineering fundamentals - SR-TE LSP configuration - Primary and secondary path behavior |
| Topic 5: Flexible Algorithms (Flex-Algo) | - Flex-algo fundamentals - IGP advertisement for flex-algo - Traffic steering using flex-algo SR tunnels |
| Topic 6: Fast Reroute (FRR) | - Topology-Independent LFA (TI-LFA) - Directed LFA (D-LFA) - Loop-Free Alternate (LFA) concepts - Remote LFA (R-LFA) |
Answers for 4A0-116 Candidates
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The 4A0-116 exam contains 40 questions within 90 minutes minutes. Rehearsing under the same time limit on the Exams4sures engine builds the pacing habits you will need.
- Path Computation Element (PCE) ()
- Flexible Algorithms (Flex-Algo) ()
- Introduction to Segment Routing ()
Allocate your study hours in proportion to each topic's weight.
The package includes 42 practice questions for the 4A0-116 exam, all with verified answers and available in three formats.
None
Nokia Segment Routing Course: Visit official page
Official Nokia SRC Exam Registration: register for 4A0-116
Nokia Segment Routing Sample Questions:
Which of the following statements about path definitions is FALSE?
- A. Once a path is associated with an LSP, it cannot be used by other LSPs.
- B. In addition to the hops defined in the path list, the head-end and tail-end routers are implicitly added.
- C. The path hops can be defined by either the system or physical interface IP address.
- D. A loose hop is one that does not have to be directly adjacent to the previous hop in the path list
Correct Answer: C 🗳️
The exhibit highlights in blue the primary path of a segment going from router S to router D.
The exhibit also shows a backup path. The protected link fails and fast re-route is triggered on router S. If the backup path has been calculated using standard LFA, how many SIDs are included in the label stack of the data packet forwarded to router R1?
- A. 2
- B. 3
- C. 1
- D. 4
Correct Answer: C 🗳️
Which of the following statements about the Path Computation Element (PCE) is FALSE?
- A. A stateless PCE can calculate cross-area traffic-engineering-constrained LSP paths.
- B. A stateful PCE can allow LSPs to reserve bandwidth.
- C. A stateful PCE proactively monitors all the existing LSPs and triggers the necessary repairs and re-optimizations.
- D. The PCE can obtain topology and traffic-engineering information from the network using either a link-state IGP or BGP-LS.
Correct Answer: B 🗳️
Explanation: Only visible for Exams4sures members. You can sign-up / login (it's free).
Which of the following statements about a Segment Routing SID is FALSE?
- A. A router advertises its local Node-SID as a local SRGB and an index only if it is configured as an index.
- B. A local Node-SID can be configured as an index.
- C. All routers do NOT need to have the same SRGB range configured.
- D. A local Node-SID can be configured directly as an MPLS label.
Correct Answer: A 🗳️
Explanation: Only visible for Exams4sures members. You can sign-up / login (it's free).
In the context of a network that includes a Path Computation Element (PCE), what is a PCC-initiated LSP?
- A. An LSP that needs to be explicitly configured on the head-end router.
- B. An LSP whose existence and state are reported to the PCE.
- C. An LSP for which the initial path is calculated by the head-end router.
- D. An LSP for which the path repairs and re-optimizations must be triggered by the head-end router.
Correct Answer: B 🗳️
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