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Juniper Exam JN0-251 Topic 2 Question 26 Discussion

Actual exam question for Juniper's JN0-251 exam
Question #: 26
Topic #: 2
[All JN0-251 Questions]

Which statement is correct about a WLAN RF medium?

Show Suggested Answer Hide Answer
Suggested Answer: C

According to the Cisco Content Hub1, Wi-Fi is half duplex, meaning we can either transmit (Tx) or receive (Rx) on the medium, the clients and the network take turns accessing the medium. Wi-Fi is contention based, meaning there are rules for stations trying to access the medium and collisions (due to two or more stations simultaneously accessing the medium) are worked out fairly so everyone gets a chance.

by Colette at Apr 15, 2024, 12:24 AM

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Shizue
5 months ago
I believe option B is correct because a contention-free medium allows stations to transmit and receive simultaneously.
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Suzi
5 months ago
But what about option C? Isn't a WLAN RF a shared medium where stations contend for access?
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Halina
5 months ago
I agree, because in a WLAN RF, 802.11 stations can transmit and receive at the same time.
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Frederic
5 months ago
I think the correct statement is B.
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Chandra
5 months ago
I'm not sure, but option D doesn't sound like how WLAN RF works to me.
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Theresia
6 months ago
I agree with User4, option B seems logical.
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Sarina
6 months ago
I think option B makes sense because it mentions full-duplex communication.
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Mirta
6 months ago
I'm pretty sure option C is the right answer.
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Jacinta
6 months ago
I disagree, I believe option B is the correct one.
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Carmela
6 months ago
I think the correct statement is option A.
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Lachelle
7 months ago
Okay, let's break this down. A WLAN RF medium is either full-duplex or half-duplex, and it's either contention-free or contention-based. I'm leaning towards option C, but I want to hear what the others think.
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Loise
7 months ago
Hmm, I'm not too sure about this one. A WLAN RF medium is something I don't have much experience with. Anyone have any insights to share?
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Dick
7 months ago
Okay, let's break this down. Full-duplex means you can transmit and receive at the same time, right? And contention-free means no one has to compete for the medium. I think option B is the winner here.
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Laurel
6 months ago
So, option B it is then.
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Lindsey
6 months ago
I agree, full-duplex and contention-free.
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Van
6 months ago
I think option B is correct.
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Lucina
7 months ago
You know, I bet the test writers are trying to trick us with all these technical details. I'm just going to go with my gut and choose the answer that sounds most plausible.
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Raymon
7 months ago
I think this question is a bit tricky, but I'm confident I can figure it out. Let's see what the others think.
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Candida
7 months ago
Haha, I bet the guy who wrote this question is sitting in his office, laughing maniacally at how confused we all are. Networking is not my strong suit, that's for sure.
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Viva
7 months ago
I think option C is the correct answer. A WLAN RF is a shared medium, and the 802.11 stations have to contend with each other to access it. That's the way I understand it, at least.
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Myra
7 months ago
Hmm, let me think about this. I'm pretty sure WLAN uses a half-duplex medium, where stations have to contend for access. But I could be wrong, these networking concepts can be confusing.
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Jolene
7 months ago
This is a tricky question, I'm not sure I fully understand the differences between the options. Can someone help me out here?
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