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Nokia 4A0-112 exam : Nokia IS-IS Routing Protocol
- Exam Code: 4A0-112
- Exam Name: Nokia IS-IS Routing Protocol
- Updated: Nov 04, 2026
- Q & A: 42 Questions and Answers
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About Nokia 4A0-112 Exam Braindumps
Best quality products, best customer service — that's the aim at Exam4PDF. The Nokia IS-IS Routing Protocol set delivers 42 practice questions for the 4A0-112 exam with 24/7 assistance behind them.
Nokia 4A0-112 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Advanced IS-IS Features | - IPv4 and IPv6 support (multi-topology IS-IS) - Authentication and security mechanisms |
| Topic 2: Troubleshooting and Operations | - Common IS-IS failures and diagnostics - Protocol verification and debugging tools |
| Topic 3: IS-IS Routing Levels | - Level 1 and Level 2 routing concepts - Inter-area routing and route leaking concepts |
| Topic 4: Link-State Database and LSP Processing | - LSP generation and flooding - SPF calculation and shortest path selection |
| Topic 5: Metric and Route Calculation | - IS-IS metric types and cost calculation - Route preference and selection behavior |
| Topic 6: IS-IS Adjacency and Neighbor Discovery | - Adjacency states and establishment rules - Hello (IIH) packet formation and processing |
| Topic 7: IS-IS Fundamentals | - OSI protocol stack and CLNS concepts - IS-IS protocol overview and architecture |
4A0-112 Exam FAQ — Effective Preparation
Yes:
Courses build the foundation; then practice smartly with the 42 practice questions for the Nokia IS-IS Routing Protocol — every answer expert-verified.
The Nokia IS-IS Routing Protocol is Nokia's certification exam for Nokia Service Routing Certification (SRC) / Service Routing specialization, at the Professional level. It validates skills employers hire for, which is why it can affect your career and future. Related credentials include Nokia Service Routing Certification (SRC), Nokia Service Routing Architect (SRA).
Files arrive by automatic email within a minute of payment — unlimited installations, and 24/7 customer assisting for any login or downloading issues if nothing shows up within 2 hours. If you fail the corresponding 4A0-112 exam within 60 days of purchase, you have options: a full refund (send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam; processed within 7 days), waiting for the next updated version free, or changing to two other equal-value dumps free. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products.
Basic understanding of IP routing and networking fundamentals is recommended; prior Nokia Service Routing knowledge is helpful but not strictly required. Vendors revise eligibility rules from time to time, so verify the current requirements on the official page (official 4A0-112 exam page) before booking.
The Nokia IS-IS Routing Protocol blueprint covers 7 domains — including Advanced IS-IS Features, IS-IS Routing Levels, Metric and Route Calculation. The weightings tell you where to spend your hours; the complete outline above lists every subtopic.
Through the vendor's official registration channels:
The Nokia IS-IS Routing Protocol is delivered Typically delivered via Pearson VUE testing centers or online proctored exam (depending on region and availability). — choose the arrangement that fits you when booking.
Varies by region and testing provider (typically USD-based Pearson VUE pricing) per attempt, Not publicly disclosed to pass. A retake bills the full fee again, so prepare smartly: work through the 42 practice questions for the 4A0-112 exam at Exam4PDF before you book.
Not publicly disclosed (commonly 60–90 minutes in Nokia SRC exams) for Not publicly disclosed questions. Efficient preparation includes pacing: rehearse timed sets until the clock feels manageable, not menacing.
Yes — download the free Nokia IS-IS Routing Protocol demo and judge the quality before paying. Purchases include 365 days of free updates, with each latest version emailed to you immediately; renew afterward at 50% off.
Nokia IS-IS Routing Protocol Sample Questions:
Question #1
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. Route leaking is configured on both routers R1 and 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. There is no route leaking configured on router R1 or router R2.
Correct Answer: A 🗳️
Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).
Question #2
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. The neighbors are identified using their interface MAC addresses on broadcast Hello messages and using their system IDs on point-to-point Hello messages.
- B. 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.
- C. The multicast MAC addresses to which the Hello messages are sent are different on broadcast interfaces and on point-to-point interfaces.
- D. Broadcast Hello messages identify the elected designed IS (DIS) and point-to-point Hello messages do not.
Correct Answer: A 🗳️
Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).
Question #3
Refer to the exhibit.
Static routing is to be used in a network between a corporate head office and a branch office. The head office has many connected subnetworks, whereas the branch office has one subnetwork and a single connection to the head office. Which of the following is the most likely configuration on the head office and branch office routers?
- A. The head office has a default route and the branch office has a specific static route.
- B. The head office and the branch offices both have specific static routes.
- C. The head office and the branch office both have default routes.
- D. The head office has a specific static route and the branch office has a default route.
Correct Answer: A 🗳️
Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).
Question #4
When using IS-IS in native mode for routing in a dual-stack IPv4/IPv6 environment, which of the following statements is FALSE?
- A. The same topology information is used to calculate the shortest path tree for both IPv4 and IPv6.
- B. It may lead to traffic black-holing if not properly designed.
- C. All links are assumed to be IPv4- and IPv6-capable.
- D. In a multi-area environment, the SPF algorithm needs to be run four times on each L1/L2 router.
Correct Answer: D 🗳️
Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).
Question #5
Which of the following statements about IS-IS is FALSE?
- A. A level-1 router forwards traffic to other areas through the nearest I eve I-1/1 eve I-2 router.
- B. In IS-IS, routers are associated with an area, not the interfaces.
- C. A router becomes level-2 when it is associated with the backbone area.
- D. IS-IS uses the concept of level-1 and level-2 routers to implement hierarchy.
Correct Answer: B 🗳️
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