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Nokia 4A0-112 Exam - Topic 4 Question 20 Discussion

Actual exam question for Nokia's 4A0-112 exam
Question #: 20
Topic #: 4
[All 4A0-112 Questions]

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

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Suggested 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.


by Devorah at Jan 05, 2026, 05:16 AM

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Lindsey
3 days ago
Ah, the age-old dance of MAC and IP addresses. I wonder if they ever get tired of chasing each other around.
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Graciela
9 days ago
D) Both resolve a host device's IP address using its MAC address.
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Glendora
14 days ago
C) Both resolve a host device's MAC address using its IP address.
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Alyssa
19 days ago
I feel like the answer is C, but I also remember something about detecting duplicate IP addresses in both protocols.
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Madelyn
24 days ago
I’m a bit confused; I thought ARP was only for IPv4. Does neighbor discovery do the same thing for IPv6?
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Lenny
29 days ago
I remember practicing a question that asked about how ARP and neighbor discovery work, and I think they both resolve IP addresses to MAC addresses.
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Weldon
1 month ago
I think both protocols are about resolving addresses, but I'm not sure if they both deal with MAC addresses specifically.
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Deeann
1 month ago
Got it, I think I see the connection now. Both ARP and neighbor discovery are used to map IP addresses to MAC addresses, which is essential for devices to communicate on the network. I'll go with option C.
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Claribel
1 month ago
I think the key here is that both protocols are used to resolve layer 2 addresses (MAC addresses) from layer 3 addresses (IP addresses). That's probably the main thing they have in common.
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Lashawna
2 months ago
I'm a bit confused on this one. I'll need to review my notes on ARP and neighbor discovery to make sure I understand the key similarities and differences between them.
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Selma
2 months ago
Okay, let me see. I know ARP is for IPv4 and neighbor discovery is for IPv6, so they're probably related to address resolution in some way. I'll have to carefully consider each option.
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Regenia
2 months ago
Hmm, this seems like a tricky one. I'll need to think through the differences between ARP and neighbor discovery to figure out what they have in common.
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