Nokia 4A0-112

The 4A0-112 exam has a reputation for tripping up even experienced professionals. Dumpkiller breaks the Nokia IS-IS Routing Protocol syllabus down into 42 practice questions with clear explanations, so tricky topics stop feeling intimidating.

Nokia 4A0-112 Exam Overview:

Nokia 4A0-112 Exam Syllabus Topics:

Nokia IS-IS Routing Protocol: Common Questions From Candidates

What is the Nokia IS-IS Routing Protocol certification exam?

The Nokia IS-IS Routing Protocol exam (code: 4A0-112) is the official Nokia exam that leads to the Nokia Service Routing Certification (SRC) / Service Routing specialization certification. It sits at the Professional level of the Nokia certification track. It is also connected with related credentials such as Nokia Service Routing Certification (SRC), Nokia Service Routing Architect (SRA). Passing it proves to employers that your skills have been validated by Nokia itself, which is why the 4A0-112 credential keeps showing up in job postings.

How many questions are in the 4A0-112 exam, and how long does it take?

The Nokia IS-IS Routing Protocol exam gives you Not publicly disclosed (commonly 60–90 minutes in Nokia SRC exams) to work through Not publicly disclosed. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the Dumpkiller test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.

What score do I need to pass the 4A0-112 exam, and how much does it cost?

The passing score for the Nokia IS-IS Routing Protocol exam is Not publicly disclosed, and the official registration fee is Varies by region and testing provider (typically USD-based Pearson VUE pricing). Remember that a failed attempt means paying that fee in full again, so a timed self-assessment with Dumpkiller practice questions about a week before your exam date is a cheap way to confirm you are scoring comfortably above Not publicly disclosed.

Are there any prerequisites for the 4A0-112 exam?

According to Nokia, the following applies: Basic understanding of IP routing and networking fundamentals is recommended; prior Nokia Service Routing knowledge is helpful but not strictly required.. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://www.nokia.com/networks/services/training-and-certification/ before you register.

How do I register for the 4A0-112 exam?

You can book your Nokia IS-IS Routing Protocol exam through the official channels below:

• Nokia Training and Certification Portal
• Pearson VUE Nokia Exams

Depending on availability in your region, the exam is delivered as Typically delivered via Pearson VUE testing centers or online proctored exam (depending on region and availability)..

What official training does Nokia recommend for the 4A0-112 exam?

Nokia lists the following training options for Nokia IS-IS Routing Protocol candidates:

• Nokia Service Routing Training (IS-IS routing modules)

Official courses build a solid foundation, and pairing them with the 42 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.

Can I try the 4A0-112 practice questions before buying?

Yes. Dumpkiller offers a free 4A0-112 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your Nokia IS-IS Routing Protocol material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.

What happens if I do not pass the 4A0-112 exam, and how is my order delivered?

If you take the corresponding 4A0-112 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.

What topics are covered in the 4A0-112 exam?

The official Nokia IS-IS Routing Protocol syllabus is organized into 7 main domains. The first three are Troubleshooting and Operations, IS-IS Routing Levels, and IS-IS Adjacency and Neighbor Discovery. For the full domain-by-domain breakdown, see the complete Exam Topics outline above.

Nokia IS-IS Routing Protocol Sample Questions:

Question 1

Which component of the Nokia 7750 SR is in charge of performing the longest prefix match lookup on packets that arrive on the physical interfaces?

A. Input/Output Module (IOM)
B. Switch Fabric (SF)
C. Control Processing Module (CMP)
D. Media Dependent Adapter (MDA)

Question 2

Which of the following is NOT a function of the control plane a router?

A. To establish routing paths to deliver packets from source to destination and to reestablish them in case of failure.
B. To determine the best way to forward packets.
C. To utilize the forwarding tables to forward data packets towards their destination.
D. To exchange signaling messages with other routers.

Question 3

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?

A. The equal cost multipath configuration
B. The forwarding information base (FIB)
C. The routing information base (RIB)
D. The routing table manager (RTM)

Question 4

Which of the following statements regarding the databases used by a link-state routing protocol in a single-are routing domain is FALSE?

A. The link-state database has the local topology and IP reachability information advertised by all the routers.
B. The forwarding database contains the optimum next hop for each known prefix.
C. The adjacency database contains information about all the links interconnecting the domain's routers.
D. The link-state database is the same for all routers.

Question 5

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.

Solutions: