Booking the Nokia IS-IS Routing Protocol is an investment, and a failed attempt means paying the full registration fee again. The 4A0-112 practice questions from Pass4suresVCE give you 42 chances to rehearse before you ever risk that fee.
Nokia 4A0-112 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia IS-IS Routing Protocol |
| Exam Number: | 4A0-112 |
| Exam Format: | Scenario-based questions, Multiple choice |
| Exam Price: | Varies by region and testing provider (typically USD-based Pearson VUE pricing) |
| 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) |
| Certificate Validity Period: | Not explicitly defined publicly (typically aligns with Nokia certification policy cycle) |
| Real Exam Qty: | Not publicly disclosed |
| 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 |
|---|---|
| Topic 1: Metric and Route Calculation | - Route preference and selection behavior - IS-IS metric types and cost calculation |
| Topic 2: Troubleshooting and Operations | - Common IS-IS failures and diagnostics - Protocol verification and debugging tools |
| Topic 3: Link-State Database and LSP Processing | - SPF calculation and shortest path selection - LSP generation and flooding |
| Topic 4: IS-IS Adjacency and Neighbor Discovery | - Hello (IIH) packet formation and processing - Adjacency states and establishment rules |
| Topic 5: IS-IS Routing Levels | - Inter-area routing and route leaking concepts - Level 1 and Level 2 routing concepts |
| Topic 6: IS-IS Fundamentals | - OSI protocol stack and CLNS concepts - IS-IS protocol overview and architecture |
| Topic 7: Advanced IS-IS Features | - IPv4 and IPv6 support (multi-topology IS-IS) - Authentication and security mechanisms |
4A0-112 Exam FAQ: Prep, Registration, and Policies Explained
Yes. Pass4suresVCE offers a free PDF demo of the 4A0-112 practice questions so you can check the quality, the format, and the difficulty level before you spend anything. After you purchase, you also receive 365 days of free updates, and if the product expires you can extend the update service at a 50% discount from your member zone.
The 4A0-112 exam contains Not publicly disclosed questions and gives you Not publicly disclosed (commonly 60–90 minutes in Nokia SRC exams) to complete them. That works out to a brisk pace, so you cannot afford to stall on a single tricky item — flag it, move on, and circle back if time allows. Before exam day, run at least two timed mock sessions with the Pass4suresVCE desktop or online test engine; practicing against a real clock turns the official time limit into a comfortable rhythm instead of a source of panic.
The 4A0-112 exam (full name: Nokia IS-IS Routing Protocol) is a Nokia certification exam that leads to the Nokia Service Routing Certification (SRC) / Service Routing specialization credential, positioned at the Professional level. It validates the skills Nokia expects from professionals working with its technologies, and passing it is the key step toward getting certified. It also sits within a broader certification path that includes Nokia Service Routing Certification (SRC), Nokia Service Routing Architect (SRA).
The Nokia IS-IS Routing Protocol exam is organized into 7 domains. The main areas include IS-IS Routing Levels, Link-State Database and LSP Processing, and Troubleshooting and Operations. Scroll up to the exam syllabus section on this page for the complete topic-by-topic outline.
Basic understanding of IP routing and networking fundamentals is recommended; prior Nokia Service Routing knowledge is helpful but not strictly required.
Eligibility requirements can change, so before you register, confirm the latest criteria on the official Nokia exam page.
To pass the 4A0-112 exam you need a score of Not publicly disclosed, and the official registration fee is Varies by region and testing provider (typically USD-based Pearson VUE pricing). Keep in mind that a failed attempt comes at full price: retaking the exam means paying the entire fee again. A smart way to protect that investment is to self-test first — work through the 42 practice questions at Pass4suresVCE until your timed scores sit comfortably above the passing line before you book a seat.
Nokia recommends the following training resources for the Nokia IS-IS Routing Protocol:
Official courses build the theory; pair them with the 42 practice questions from Pass4suresVCE to turn that knowledge into exam-ready speed and accuracy.
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You can register for the Nokia IS-IS Routing Protocol through the official channels below:
The 4A0-112 exam is delivered Typically delivered via Pearson VUE testing centers or online proctored exam (depending on region and availability)., so choose the option that best fits your schedule when you book.
Nokia IS-IS Routing Protocol Sample Questions:
Which of the following statements about router interfaces on a Nokia 7750 SR is FALSE?
- A. The system interface exists by default.
- B. They can be logical or physical.
- C. They can be used in pairs on the same subnet for redundancy.
- D. They can be assigned IPv4 and/or IPv6 addresses.
Correct Answer: C 🗳️
Explanation: Only visible for Pass4suresVCE members. You can sign-up / login (it's free).
Refer to the exhibit.
All routers in the diagram are running a link-state routing protocol. Before the link failure, all routers have operational adjacencies with each other and there is a BFD session between routers R1 and R3. After the link failure, which of the following affects the routing protocol's convergence time?
- A. The time taken by the switches to detect that the physical ports are down.
- B. The value of the BFD transmit interval, receive interval and multiplier settings on routers R1 and R3.
- C. The value of the Ethernet hello timers on the switches.
- D. The value of the routing protocol hello timers on routers R1 and R3.
Correct Answer: B 🗳️
Explanation: Only visible for Pass4suresVCE members. You can sign-up / login (it's free).
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. The router needs to be associated with an IS-IS area ID.
- C. The IS-IS context needs to be enabled.
- D. Layer-3 interfaces that will participate in IS-IS need to be identified.
Correct Answer: A 🗳️
Explanation: Only visible for Pass4suresVCE members. You can sign-up / login (it's free).
There are several differences between IS-IS Hello packets used on broadcast interfaces and on point-to-point interfaces.
Which of the following statements is FALSE?
- A. Broadcast Hello messages identify the elected designed IS (DIS) and point-to-point Hello messages do not.
- B. The neighbors are identified using their interface MAC addresses on broadcast Hello messages and using their system IDs on point-to-point Hello messages.
- C. The multicast MAC addresses to which the Hello messages are sent are different on broadcast interfaces and on point-to-point interfaces.
- D. On broadcast interfaces there are different Hello packet types for level-1 and level-2 adjacencies, whereas on point-to-point interfaces there is a single Hello packet type.
Correct Answer: B 🗳️
Explanation: Only visible for Pass4suresVCE members. You can sign-up / login (it's free).
Refer to the exhibit.
Examine the physical topology of the IS-IS network, the metrics of the links and the levels of the routers. All routers have their system interfaces included in IS-IS. Which of the following statements describes the route-table entry that router R4 will use to reach the system IP address of router R6?
- A. Router R4 will have a route to router R6's system IP address with router R2 as the next-hop.
- B. Router R4 will have a default route with router R3 as the next-hop.
- C. Router R4 will have a default route with router R2 as the next-hop.
- D. Router R4 will not have a matching entry in its routing table for router R6's system IP address.
Correct Answer: A 🗳️
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