Nokia IS-IS Routing Protocol

Here you have the best Nokia 4A0-112 practice exam questions

You have 40 total questions across 8 pages (5 per page)
These questions were last updated on February 20, 2026
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Question 1 of 40

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

Both detect duplicate MAC address assignments.

Both detect duplicate IP address assignments.

Both resolve a host device’s MAC address using its IP address.

Both resolve a host device’s IP address using its MAC address.

Question 2 of 40

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

It uses the routing table to find a match for the source IP address.

It uses the routing table to find a match for the destination IP address.

It uses the ARP table to find a match for the source MAC address.

It uses the ARP table to find a match for the destination MAC address.

Question 3 of 40

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?

The routing information base (RIB)

The routing table manager (RTM)

The equal cost multipath configuration (ECMP)

The forwarding information base (FIB)

Question 4 of 40

All routers in the diagram are running an interior gateway protocol (IGP) and have been configured with an ECMP value of 4. Router R5 advertises the prefix 192.168.3.0/24 using the IGP. Assuming all links have the same cost, how many entries for prefix 192.168.3.0/24 will be in router R3’s routing table?

Question 5 of 40

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?

Control Processing Module (CMP)

Media Dependent Adapter (MDA)

Switch Fabric (SF)

Input/Output Module (IOM)

About the Nokia 4A0-112 Certification Exam

About the Exam

The Nokia 4A0-112 (Nokia IS-IS Routing Protocol) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 40 practice questions across 8 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our 4A0-112 questions are regularly updated to reflect the latest exam objectives.