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Nokia 4A0-112 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia IS-IS Routing Protocol |
| Exam Number: | 4A0-112 |
| Passing Score: | Not publicly disclosed |
| Real Exam Qty: | Not publicly disclosed |
| Exam Price: | Varies by region and testing provider (typically USD-based Pearson VUE pricing) |
| Available Languages: | English |
| Certificate Validity Period: | Not explicitly defined publicly (typically aligns with Nokia certification policy cycle) |
| Exam Duration: | Not publicly disclosed (commonly 60–90 minutes in Nokia SRC exams) |
| Related Certifications: | Nokia Service Routing Certification (SRC) Nokia Service Routing Architect (SRA) |
| Exam Format: | Scenario-based questions, Multiple choice |
| Recommended Training: | Nokia Service Routing Training (IS-IS routing modules) |
| Exam Registration: | Pearson VUE Nokia Exams Nokia Training and Certification Portal |
| Sample Questions: |  |
| Exam Way: | Typically delivered via Pearson VUE testing centers or online proctored exam (depending on region and availability). |
| Pre Condition: | Basic understanding of IP routing and networking fundamentals is recommended; prior Nokia Service Routing knowledge is helpful but not strictly required. |
| Official Syllabus URL: | https://www.nokia.com/networks/services/training-and-certification/ |
Nokia 4A0-112 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Troubleshooting and Operations | - Protocol verification and debugging tools - Common IS-IS failures and diagnostics |
| IS-IS Fundamentals | - OSI protocol stack and CLNS concepts - IS-IS protocol overview and architecture |
| Metric and Route Calculation | - Route preference and selection behavior - IS-IS metric types and cost calculation |
| Link-State Database and LSP Processing | - LSP generation and flooding - SPF calculation and shortest path selection |
| IS-IS Adjacency and Neighbor Discovery | - Adjacency states and establishment rules - Hello (IIH) packet formation and processing |
| IS-IS Routing Levels | - Inter-area routing and route leaking concepts - Level 1 and Level 2 routing concepts |
| Advanced IS-IS Features | - IPv4 and IPv6 support (multi-topology IS-IS) - Authentication and security mechanisms |
Nokia IS-IS Routing Protocol Exam Questions and Answers
Basic understanding of IP routing and networking fundamentals is recommended; prior Nokia Service Routing knowledge is helpful but not strictly required. Since requirements change over time, confirm the latest on the official Nokia exam page before scheduling.
The 4A0-112 exam is a Nokia certification exam validating the Nokia IS-IS Routing Protocol syllabus shown above. It belongs to these credential paths: Nokia Service Routing Certification (SRC), Nokia Service Routing Architect (SRA). Candidates in 2026 prepare for it with TorrentExam's 42 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
Nokia recommends these training resources for the Nokia IS-IS Routing Protocol exam:
Follow the training with steady self-testing — the 42 practice questions from TorrentExam help you apply theory and fill any gaps the training leaves.
The Nokia IS-IS Routing Protocol exam requires Not publicly disclosed to pass, and registration costs Varies by region and testing provider (typically USD-based Pearson VUE pricing). A failed attempt means paying the same fee again — a readiness check with the TorrentExam engines before booking is the cheaper option.
The Nokia IS-IS Routing Protocol exam contains Not publicly disclosed to complete within Not publicly disclosed (commonly 60–90 minutes in Nokia SRC exams). Timed simulation in the TorrentExam Desktop Test Engine teaches that rhythm before exam day does.
TorrentExam issues a full refund if you take the Nokia IS-IS Routing Protocol exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 42 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The official Nokia IS-IS Routing Protocol outline defines 7 domains. The leading three are IS-IS Fundamentals, IS-IS Adjacency and Neighbor Discovery, and Link-State Database and LSP Processing. The full list is in the topics section above, and TorrentExam's 42 practice questions cover each one.
Typically delivered via Pearson VUE testing centers or online proctored exam (depending on region and availability). Register for the Nokia IS-IS Routing Protocol exam through these official channels:
After booking, TorrentExam delivers your practice questions within 1 minute — preparation starts the same day.
Nokia IS-IS Routing Protocol Sample Questions:
A routing domain is using a single-area link-state routing protocol. Which of the following is NOT information that a router can share with other routers in the domain using protocol-specific messages?
- A. The local router ID and the router IDs of neighboring routers.
- B. The IP prefixes of subnets directly attached to the router.
- C. A copy of the local routing table.
- D. IP prefixes known by the router because it is running ad additional routing protocol.
Correct Answer: C 🗳️
Explanation: Only visible for TorrentExam members. You can sign-up / login (it's free).
On a broadcast interface, an IS-IS router receives an LSP that is newer than the one on its database. Which of the following statements best describes the actions taken by the router as a consequence?
- A. The router updated its database with the LSP, acknowledges the LSP with a PSNP, and floods a copy to its neighbors on other interfaces.
- B. The router updates its database with the LSP and acknowledges it with a PSNP.
- C. The router updates its database with the LSP and floods a copy to its neighbors on other interfaces.
- D. The router sends back a copy of the LSP from its database to its neighbor.
Correct Answer: A 🗳️
Explanation: Only visible for TorrentExam members. You can sign-up / login (it's free).
A router running a link-state routing protocol detects that one of its neighbors is no longer connected to it. The router generates a new link-state advertisement to inform other routers of the topology change. Which of the following is NOT an action that is triggered by this event?
- A. If a router receives multiple copies of the new link-state advertisement, it will simply ignore all copies received after the first one.
- B. Every router that receives the new link-state advertisement updates its age field before forwarding it.
- C. If a router receives the new link-state advertisement, it acknowledges it, stores it, and forwards it to its own neighbors.
- D. Every router that receives the new link-state advertisement runs the SPF algorithm to recalculate its shortest-path tree and its forwarding database.
Correct Answer: B 🗳️
Explanation: Only visible for TorrentExam members. You can sign-up / login (it's free).
Consider the exhibit.
All routers are running IS-IS with IPv6 support enabled. Based on the topology shown, and the route tables of routers R3 and R4, which of the following statements is TRUE?
- A. There is no route leaking configured on router R1 or router R2.
- B. Route leaking is configured on router R2 but not on router R1.
- C. Route leaking is configured on router R1 but not on router R2.
- D. Route leaking is configured on both routers R1 and R2.
Correct Answer: D 🗳️
Explanation: Only visible for TorrentExam members. You can sign-up / login (it's free).
Which of the following statements about the IP forwarding process on a router is TRUE?
- A. It uses the ARP table to find a match for the destination MAC address.
- B. It uses the routing table to find a match for the source IP address.
- C. It uses the routing table to find a match for the destination IP address.
- D. It uses the ARP table to find a match for the source MAC address.
Correct Answer: C 🗳️
Explanation: Only visible for TorrentExam members. You can sign-up / login (it's free).
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