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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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Paola
3 days ago
D) DHCP? Really? That's for getting an IP address, not a MAC address.
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Theola
8 days ago
I always get ARP and DNS mixed up. They sound too similar!
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Luis
13 days ago
B) ARP is the correct answer. It's used to find the MAC address of a local device.
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Leontine
18 days 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
23 days 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
28 days 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
1 month 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
1 month 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
1 month 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
2 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
2 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
2 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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