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Wireshark WCNA Exam - Topic 3 Question 22 Discussion

Actual exam question for Wireshark's WCNA exam
Question #: 22
Topic #: 3
[All WCNA Questions]

Which protocol is used to locate the hardware address of a local target or local router?

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Suggested Answer: B

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

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Salena
25 days ago
I chose B) ARP too! It’s crucial for mapping IP to MAC addresses.
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Veta
1 month ago
I was torn between B) ARP and A) ip, but ARP makes more sense.
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Viki
1 month ago
Totally agree! ARP is essential for local communication.
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Ceola
1 month ago
I think it's B) ARP. It’s all about finding hardware addresses.
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Buddy
2 months ago
ARP is the correct answer, no doubt about it.
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Sharika
2 months ago
I thought it was DNS for a second!
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Oliva
2 months ago
Wait, are we sure it's not DHCP?
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Mary
2 months ago
Totally agree, ARP is the one.
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Judy
2 months ago
It's definitely B) ARP!
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Malcolm
2 months ago
Haha, I bet the person who wrote this question was having a brain fart when they included DHCP as an option.
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Paola
3 months ago
D) DHCP? Really? That's for getting an IP address, not a MAC address.
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Theola
3 months ago
I always get ARP and DNS mixed up. They sound too similar!
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Luis
3 months ago
B) ARP is the correct answer. It's used to find the MAC address of a local device.
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Leontine
4 months ago
I remember ARP being mentioned in class, but I’m not 100% confident. I hope I’m not mixing it up with something else!
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Lynelle
4 months ago
I’m a bit confused. I thought DHCP was related to addresses too, but I think ARP is the right one for hardware addresses.
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Bettyann
4 months ago
I practiced a similar question last week, and I believe ARP was the answer. It’s definitely not DNS or DHCP.
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Davida
4 months ago
I think it's ARP, but I’m not completely sure. I remember it has something to do with mapping IP addresses to MAC addresses.
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Stephania
4 months ago
ARP is definitely the right answer here. It's the protocol that translates an IP address into a MAC address so devices on the local network can communicate directly. I feel good about selecting B) ARP for this question.
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Haydee
4 months ago
I'm a bit confused on this one. Is it asking about the protocol to find the IP address, or the physical address? I'll have to review my networking concepts to make sure I understand the difference between IP, MAC, and ARP.
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Caren
5 months ago
Okay, I've got this. ARP is the protocol used to find the hardware address (MAC address) of a local device on the network. It maps the logical IP address to the physical layer address. I'm confident that's the right answer.
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Elenor
5 months ago
Hmm, this seems like a tricky one. I know ARP is used for address resolution, but I'm not 100% sure if that's the right answer here. I'll have to think it through carefully.
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Mica
5 months ago
I think this one is about network protocols, so I'll focus on the ones I know best like IP and DNS. ARP sounds familiar but I'm not totally sure what it does.
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Mireya
15 days ago
Yeah, ARP is crucial for local network communication.
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Renea
20 days ago
I believe ARP is the right answer. It maps IP addresses to MAC addresses.
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