4A0-112 Exam - Free Actual Q&As, Page 1

4A0-112 Actual Exam Questions

Last updated on June 23, 2025.

Vendor:Nokia

Exam Code:4A0-112

Exam Name:Nokia IS-IS Routing Protocol

Exam Questions:40

Topic 1 - Exam A

Question #1 Topic 1

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

A. Both detect duplicate MAC address assignments.
B. Both detect duplicate IP address assignments.
C. Both resolve a host device’s MAC address using its IP address.
D. Both resolve a host device’s IP address using its MAC address.

Reveal Solution Discussion

Correct Answer: C 🗳️

Question #2 Topic 1

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

A. It uses the routing table to find a match for the source IP address.
B. It uses the routing table to find a match for the destination IP address.
C. It uses the ARP table to find a match for the source MAC address.
D. It uses the ARP table to find a match for the destination MAC address.

Reveal Solution Discussion

Correct Answer: B 🗳️

Question #3 Topic 1

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

Reveal Solution Discussion

Correct Answer: B 🗳️

Question #4 Topic 1

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?

A. 1
B. 2
C. 3
D. 4

Reveal Solution Discussion

Correct Answer: D 🗳️

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