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Nokia 4A0-112 Exam Questions

Exam Name: Nokia IS-IS Routing Protocol
Exam Code: 4A0-112
Related Certification(s): Nokia Network Routing Specialist II Certification
Certification Provider: Nokia
Actual Exam Duration: 90 Minutes
Number of 4A0-112 practice questions in our database: 40 (updated: Mar. 01, 2026)
Expected 4A0-112 Exam Topics, as suggested by Nokia :
  • Topic 1: IP Routing Review: This section measures the skills of Network Engineers and covers the fundamentals of IP routing. Candidates will learn about the basics of IP routing, how to populate the routing table and the concept of Equal-Cost Multipath Routing (ECMP). The module also discusses route redistribution and filtering using policies, as well as the architecture of the Nokia 7750 SR. Additionally, candidates will understand the IP packet header format, IP addressing, and Layer-3 interfaces on a Nokia 7750 SR.
  • Topic 2: Static Routes: In this section, the exam focuses on Network Engineers and defines the characteristics of static routes. Candidates will learn about failure detection options associated with static routes and will also explore IPv6 static routes. Understanding these concepts is crucial for effective network management.
  • Topic 3: Interior Gateway Protocols: This section is aimed at Network Analysts and provides an overview of interior gateway protocols. Candidates will study distance vectors, link-state protocols, and the shortest path first algorithm. The module also covers link-state protocol message flooding and optimizations, which are essential for efficient routing within networks.
  • Topic 4: Intermediate System-to-Intermediate System Routing Protocol (IS-IS): Targeted at IS-IS Network Engineers, this section covers the basics of IS-IS. Candidates will learn about hierarchy in a multi-area IS-IS domain, IS-IS message types, adjacency formation, and database synchronization. The module also includes advertising link-state information in single-area and multi-area IS-IS networks, route leaking, summarization, and advertising external prefixes into IS-IS.
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Melodie

16 hours ago
PASS4SUCCESS practice exams were a game-changer for me - focused on the right topics and passed with confidence.
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Shasta

10 days ago
I started anxious about tricky mappings, but PASS4SUCCESS drills boosted my accuracy and calmness; to future test-takers, stay focused and practice consistently.
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Armanda

17 days ago
I passed the Nokia IS-IS Routing Protocol exam, and it feels fantastic! The Static Routes section had some challenging questions. One that I found difficult was about configuring a floating static route and its implications. I wasn't entirely confident, but the practice questions from Pass4Success were a great resource.
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Maryann

25 days ago
L1/L2 partitioning questions killed me at first, but the practice exams exposed common traps and I learned to verify level boundaries quickly.
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Mollie

1 month ago
I am ecstatic to have passed the Nokia IS-IS Routing Protocol exam! The IP routing review was extensive. One question that stood out was about the differences in handling routing loops between distance-vector and link-state protocols. I was unsure about my response, but the practice questions from Pass4Success were invaluable.
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Irving

1 month ago
The sequence of SPF calculations under heavy networks was brutal; PASS4SUCCESS simulations forced me to trace SPF step-by-step until it clicked.
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Ilene

2 months ago
The initial nerves about route metrics and LSPs almost overwhelmed me, but PASS4SUCCESS clarified concepts with real scenarios, so you can succeed too—you've got this!
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Jeannetta

2 months ago
Aced the Nokia IS-IS exam thanks to the detailed explanations in PASS4SUCCESS practice exams. Highly recommend!
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Vanesa

2 months ago
Passed the Nokia IS-IS Routing Protocol exam with PASS4SUCCESS practice tests - time management was key!
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Johanna

2 months ago
Passing the Nokia IS-IS Routing Protocol exam was no small feat. The Interior gateway protocols section was particularly tough. I encountered a question about the differences in metric calculation between RIP and OSPF, which was tricky. Despite my doubts, the practice questions from Pass4Success helped me get through it.
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Hannah

3 months ago
I just passed the Nokia IS-IS Routing Protocol exam, and I'm over the moon! The IS-IS protocol section was challenging. There was a question about the role of Designated Intermediate Systems (DIS) in IS-IS, which left me second-guessing. However, the practice questions from Pass4Success were instrumental in my success.
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Erinn

3 months ago
Just got my Nokia IS-IS certification. Pass4Success, thank you for the quick prep!
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Sunshine

3 months ago
Successfully passing the Nokia IS-IS Routing Protocol exam was a great achievement for me. The Static Routes topic had some tricky questions. One that I remember was about the impact of static routes on routing tables when a network topology changes. I was a bit uncertain, but the practice questions from Pass4Success guided me well.
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Moira

3 months ago
The tricky bit was understanding ISIS metrics and Redistribution. PASS4SUCCESS questions mirrored real exam twists, so I learned to spot misleading metric setups.
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Kenia

4 months ago
I struggled with Level-1 vs Level-2 concepts and route hierarchy; the practice exams walked me through tricky edge cases and clarified how each level propagates.
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Reiko

4 months ago
I am thrilled to announce that I passed the Nokia IS-IS Routing Protocol exam! The IP routing review section was quite comprehensive. One question that puzzled me was about the process of route redistribution between different routing protocols. I was unsure about the exact command syntax, but the practice questions from Pass4Success were a great help.
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Yolando

4 months ago
My hands trembled at the exam outline, yet PASS4SUCCESS structured my study, built my speed, and left me confident; future test-takers, trust the process and stay persistent!
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Trina

4 months ago
The hardest part for me was understanding IS-IS routing adjacencies and LSP flooding; PASS4SUCCESS practice helped me drill the exact scenarios until the timing made sense.
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Aretha

5 months ago
Nokia IS-IS certification achieved! Pass4Success questions were spot on.
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Tamesha

5 months ago
I was nervous about the vast IS-IS specifics, but PASS4SUCCESS gave me structured practice and confidence, and now I believe any candidate can crush it with steady prep—keep pushing forward!
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Andra

5 months ago
Passed the Nokia IS-IS exam with ease. Pass4Success, you're the best!
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Carma

5 months ago
Proud Nokia IS-IS certificate holder now. Kudos to Pass4Success for the great prep material.
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Ariel

5 months ago
What a relief to have passed the Nokia IS-IS Routing Protocol exam! The Interior gateway protocols section was particularly daunting. I remember a question about the differences between OSPF and IS-IS in terms of scalability and convergence. I wasn't completely confident in my answer, but the preparation with Pass4Success practice questions paid off.
upvoted 0 times
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Merissa

6 months ago
I just cleared the Nokia IS-IS Routing Protocol exam, and it feels amazing! The Intermediate system-to-intermediate system routing protocol (IS-IS) section was intense. There was a tricky question about the differences between Level 1 and Level 2 routing in IS-IS. I hesitated a bit on that one, but the practice questions from Pass4Success really helped me prepare.
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Virgie

6 months ago
Nailed the Nokia IS-IS certification. Pass4Success made it possible in such short notice.
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Iluminada

8 months ago
Nokia IS-IS exam conquered! Pass4Success provided exactly what I needed.
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Glenn

9 months ago
Successfully completed the Nokia IS-IS exam. Pass4Success, you're a lifesaver!
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Janey

10 months ago
Nokia IS-IS certified! Pass4Success helped me prepare in record time.
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Narcisa

11 months ago
Passed my Nokia IS-IS exam with flying colors. Pass4Success questions were invaluable.
upvoted 0 times
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Ilda

12 months ago
Nokia IS-IS certification in the bag! Pass4Success made prep quick and efficient.
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Latrice

1 year ago
Aced the Nokia IS-IS exam today. Pass4Success materials were a huge time-saver!
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Cherry

1 year ago
Thank you! I'm thrilled to have passed. The exam was challenging but fair, covering a wide range of IS-IS topics. I'm grateful to Pass4Success for providing relevant exam questions that helped me prepare efficiently in a short time. Their materials were spot-on and really boosted my confidence going into the exam.
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Leonora

1 year ago
Congratulations on passing the Nokia Certified: Nokia IS-IS Routing Protocol exam! Your thorough preparation has paid off.
upvoted 0 times
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Shawna

1 year ago
Just passed the Nokia IS-IS Routing Protocol exam! Thanks Pass4Success for the spot-on practice questions.
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Rosalia

1 year ago
Passing the Nokia IS-IS Routing Protocol exam was a thrilling experience. The exam was challenging, especially the section on Static Routes. One question that caught me off guard was about configuring a static route with a specific next-hop IP address and administrative distance. I wasn't entirely sure about the administrative distance part, but thanks to the practice questions from Pass4Success, I managed to pass.
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Free Nokia 4A0-112 Exam Actual Questions

Note: Premium Questions for 4A0-112 were last updated On Mar. 01, 2026 (see below)

Question #1

What do the address resolution protocol (ARP) for IPv4 and the neighbor discovery procedures for IPv6 have in common?

Reveal Solution Hide Solution
Correct Answer: C

ARP for IPv4 and Neighbor Discovery Protocol (NDP) for IPv6 are both used to map a device's IP address to its MAC address. This is essential for communication within a local network.

ARP is used in IPv4 networks, and NDP performs a similar function in IPv6 networks, ensuring devices can communicate effectively on the same network segment.


Question #2

When multiple routing protocols offer a route for the same prefix, what part of the router is in charge of deciding which route to make active?

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Correct Answer: B

The routing table manager (RTM) is responsible for selecting the best route when multiple routing protocols provide a route for the same destination prefix. It makes the decision on which route to add to the routing table based on the administrative distance, metric, and other criteria.


Question #3

What do the address resolution protocol (ARP) for IPv4 and the neighbor discovery procedures for IPv6 have in common?

Reveal Solution Hide Solution
Correct Answer: C

ARP for IPv4 and Neighbor Discovery Protocol (NDP) for IPv6 are both used to map a device's IP address to its MAC address. This is essential for communication within a local network.

ARP is used in IPv4 networks, and NDP performs a similar function in IPv6 networks, ensuring devices can communicate effectively on the same network segment.


Question #4

Which of the following statements about the IP forwarding process on a router is TRUE?

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Correct Answer: B

During the IP forwarding process, routers use the routing table to determine the next hop based on the destination IP address. The source IP address is not directly involved in the lookup process for forwarding.

The ARP table is used to map IP addresses to MAC addresses, specifically for resolving the MAC address of the next hop (destination MAC address) for forwarding packets within the local network.


Question #5

What do the address resolution protocol (ARP) for IPv4 and the neighbor discovery procedures for IPv6 have in common?

Reveal Solution Hide Solution
Correct Answer: C

ARP for IPv4 and Neighbor Discovery Protocol (NDP) for IPv6 are both used to map a device's IP address to its MAC address. This is essential for communication within a local network.

ARP is used in IPv4 networks, and NDP performs a similar function in IPv6 networks, ensuring devices can communicate effectively on the same network segment.


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