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RUCKUS RCNI Exam - Topic 1 Question 18 Discussion

Which three conditions allow an ARP request or response to pass a Dynamic ARP Inspection (DAI) check? (Choose three.)
A) The IP/MAC pair appear in the DHCP binding database. and C) Client authenticated using MAC authentication. and E) Request originated on a trusted port.
B) A static ARP entry exists for the IP/MAC pair with the inspection flag set.
D) Client authenticated using RADIUS on an 802.1X enabled port.
F) There is a static reservation for the IP/MAC pair in the DHCP pool.

RUCKUS RCNI Exam - Topic 1 Question 18 Discussion

Actual exam question for RUCKUS's RCNI exam
Question #: 18
Topic #: 1
[All RCNI Questions]

Which three conditions allow an ARP request or response to pass a Dynamic ARP Inspection (DAI) check? (Choose three.)

Show Suggested Answer Hide Answer
Suggested Answer: A, C, E

by Alease at Nov 19, 2025, 12:46 PM

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Corinne
3 months ago
I think F could be a trick option. Static reservations are less common.
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Nickole
3 months ago
I feel like E is essential too. Trusted ports are key.
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Beckie
3 months ago
Definitely A and D! RADIUS is crucial for security.
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Devorah
4 months ago
I agree with A and B, but I’m leaning towards D instead of E.
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Irene
4 months ago
I think A, B, and E are the right answers. They seem most relevant.
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Kaycee
4 months ago
Surprised that F isn't included, seems important!
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Alberto
5 months ago
Definitely A and B, but I'm not sure about D.
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Marion
5 months ago
Wait, how does E even work?
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Jamika
5 months ago
I thought C was a valid option too?
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Jules
5 months ago
A, B, and E? Sounds like a good time to me! Let's get this party started!
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Malcolm
5 months ago
I'm just here for the free donuts. Wait, what was the question again?
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Willodean
5 months ago
Nah, F is the real answer. Static DHCP reservations are the way to go, my dudes.
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Jesusa
6 months ago
Hmm, I think C and D are also valid options. Who needs DHCP when you've got RADIUS?
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Kristian
6 months ago
A, B, and E are the correct answers. Gotta love that Dynamic ARP Inspection!
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Fernanda
6 months ago
I’m leaning towards A, B, and E, but I’m not completely confident about E. It seems like it could be a trick option.
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Jaime
6 months ago
I feel like E might be one of the answers too, but I can't recall if it's the only one that guarantees a pass through DAI.
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Emogene
6 months ago
I remember practicing a question similar to this, and I think D is a strong candidate since it involves authentication.
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Lauran
6 months ago
I think options A and B are definitely part of the conditions, but I'm not sure about the third one.
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Eleonora
7 months ago
Ah, I remember this from the lectures! The key is to look for conditions that validate the IP/MAC binding, like the DHCP database or static ARP entries. I think I've got this one.
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Dante
7 months ago
Hmm, this is a tricky one. I'm pretty confident about a couple of the options, but I'm not sure about the others. I'll make my best guess and hope for partial credit.
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Stevie
7 months ago
A, B, and D are the right answers!
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Karon
7 months ago
I’m not sure about C. MAC authentication feels less reliable.
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Floyd
8 months ago
Okay, let me think this through. I know DAI is used to prevent ARP spoofing, so the conditions must be related to verifying the IP/MAC pair. I'll start by eliminating the options that don't seem relevant.
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Valentin
8 months ago
I think I've seen something like this before, but I'm not totally sure. I'll need to review my notes on Dynamic ARP Inspection to make sure I understand the conditions.
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Marguerita
2 months ago
I think C is also valid with MAC authentication.
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Remedios
3 months ago
F could be relevant if there's a static reservation.
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Alba
3 months ago
What about D? That seems important too.
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Cyril
3 months ago
I remember A and B are definitely conditions.
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Earleen
7 months ago
E is a must for trusted ports, right?
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