Exam Name: Nokia IS-IS Routing Protocol
Certification Provider: Nokia
Corresponding Certification: Nokia Network Routing Specialist II
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Updated: Sep 24, 2026
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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 |
| Exam Duration: | Not publicly disclosed (commonly 60–90 minutes in Nokia SRC exams) |
| Available Languages: | English |
| Related Certifications: | Nokia Service Routing Architect (SRA) Nokia Service Routing Certification (SRC) |
| Exam Price: | Varies by region and testing provider (typically USD-based Pearson VUE pricing) |
| Real Exam Qty: | Not publicly disclosed |
| Certificate Validity Period: | Not explicitly defined publicly (typically aligns with Nokia certification policy cycle) |
| Exam Format: | Multiple choice, Scenario-based questions |
| Recommended Training: | Nokia Service Routing Training (IS-IS routing modules) |
| Exam Registration: | Nokia Training and Certification Portal Pearson VUE Nokia Exams |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
|---|---|
| IS-IS Routing Levels | - Inter-area routing and route leaking concepts - Level 1 and Level 2 routing concepts |
| IS-IS Adjacency and Neighbor Discovery | - Adjacency states and establishment rules - Hello (IIH) packet formation and processing |
| Troubleshooting and Operations | - Protocol verification and debugging tools - Common IS-IS failures and diagnostics |
| Link-State Database and LSP Processing | - SPF calculation and shortest path selection - LSP generation and flooding |
| Metric and Route Calculation | - IS-IS metric types and cost calculation - Route preference and selection behavior |
| Advanced IS-IS Features | - IPv4 and IPv6 support (multi-topology IS-IS) - Authentication and security mechanisms |
| IS-IS Fundamentals | - IS-IS protocol overview and architecture - OSI protocol stack and CLNS concepts |
Nokia IS-IS Routing Protocol Exam: Questions Candidates Actually Ask
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, NewPassLeader delivers your practice questions within 1 minute — preparation starts the same day.
NewPassLeader 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.
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 NewPassLeader engines before booking is the cheaper option.
The official Nokia IS-IS Routing Protocol outline defines 7 domains. The leading three are Troubleshooting and Operations, IS-IS Adjacency and Neighbor Discovery, and Metric and Route Calculation. The full list is in the topics section above, and NewPassLeader's 42 practice questions cover each one.
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 NewPassLeader Desktop Test Engine teaches that rhythm before exam day does.
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.
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 that simulates the real exam with two practice modes and 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 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). Earning it in 2026 demonstrates ability in a form employers recognize — and NewPassLeader prepares candidates with 42 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
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 NewPassLeader help you apply theory and fill any gaps the training leaves.
Nokia IS-IS Routing Protocol Sample Questions:
Which of the following is NOT a required configuration step to successfully run IS-IS on a router?
- A. A reference bandwidth needs to be configured to calculate link costs.
- B. Layer-3 interfaces that will participate in IS-IS need to be identified.
- C. The IS-IS context needs to be enabled.
- D. The router needs to be associated with an IS-IS area ID.
Correct Answer: A 🗳️
Explanation: Only visible for NewPassLeader members. You can sign-up / login (it's free).
A routing domain uses a link-state routing protocol. Which of the following would NOT be an advantage of dividing the entire routing domain into areas?
- A. Less-capable routers can be isolated from having to keep track of IP prefixes that are external to the local routing domain.
- B. Detailed topology information is only shared among routers within the same area, thus reducing the complexity of the SPF calculation.
- C. Route tables can be reduced by summarizing the IP prefixes advertised between areas.
- D. Fewer routers are required to handle the same amount of traffic, as compared to a single-area domain.
Correct Answer: D 🗳️
Explanation: Only visible for NewPassLeader members. You can sign-up / login (it's free).
What do the address resolution protocol (ARP) for IPv4 and the neighbor discovery procedures for IPv6 have in common?
- A. Both detect duplicate MAC address assignments.
- B. Both resolve a host device's IP address using its MAC address.
- C. Both detect duplicate IP address assignments.
- D. Both resolve a host device's MAC address using its IP address.
Correct Answer: D 🗳️
Explanation: Only visible for NewPassLeader members. You can sign-up / login (it's free).
A series of actions are triggered on a router as a result of enabling both loopfree-alternate for a link-state routing protocol and ip-fast-reroute. Which of the following is NOT one of those actions?
- A. Installing two entries in the FIB for IP prefixes, one active and one in standby mode.
- B. Enabling the router to locally repair the active path to an IP prefix in case of failure.
- C. Calculating a backup next hop for each known IP prefix, if it exists, that would not create a routing loop if used without informing other routers.
- D. Calculating the shortest-path next hop for each known IP prefix.
Correct Answer: D 🗳️
What is the replacement for ARP in IPv6?
- A. Neighbor discovery procedures.
- B. Stateless address auto-configuration procedures.
- C. Duplicate address detection procedures.
- D. Router discovery procedures.
Correct Answer: A 🗳️
Explanation: Only visible for NewPassLeader members. You can sign-up / login (it's free).
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