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HPE3-U01 Exam - Topic 4 Question 70 Discussion

Actual exam question for HP's HPE3-U01 exam
Question #: 70
Topic #: 4
[All HPE3-U01 Questions]

Which condition allows 5Ghz channels to avoid Adjacent Channel Interference?

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Suggested Answer: A

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

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Phillip
3 days ago
C) transmit at low power levels is also a good option. Less power means less spillover to adjacent channels.
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Princess
8 days ago
Definitely D. Wider channels mean more overlap and interference. Gotta keep it tight at 20 MHz.
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Loise
13 days ago
D) transmit at 20 MHz bandwidth is the correct answer. 5GHz channels have less interference at narrower bandwidths.
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Jamika
18 days ago
I'm uncertain, but I think transmitting at lower power levels might not help with adjacent channel interference, so I would lean towards D as well.
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Cheryll
23 days ago
I vaguely recall a practice question about 5GHz channels, and I think 20 MHz was mentioned as a way to avoid interference.
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Denny
29 days ago
I feel like we discussed how lower bandwidth can reduce adjacent channel interference, so maybe it's D?
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Elza
1 month ago
I think I remember something about bandwidth affecting interference, but I'm not sure if it's 20 MHz or 40 MHz that helps.
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Marshall
1 month ago
Alright, I got this. The 20 MHz bandwidth is the key to avoiding adjacent channel interference on 5GHz. The lower bandwidth helps keep the signals more contained and reduces overlap between channels. Feeling good about this one.
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Yuki
1 month ago
Ugh, I'm drawing a blank on the specifics of 5GHz channels. Let me think this through step-by-step. Bandwidth, power levels... Hmm, I'll have to make an educated guess on this.
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Yolande
2 months ago
Ah, I remember learning about this in class. I'm pretty sure the 20 MHz bandwidth is the right answer, since it helps reduce interference between adjacent channels. Feels confident about this one.
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Earnestine
2 months ago
Okay, I'm a bit confused on this one. Is it something to do with the power levels? I'm not super familiar with 5GHz channels, so I'll have to think this through.
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Zachary
2 months ago
Hmm, I think the key here is to look at the different channel widths. I'm guessing the 20 MHz bandwidth might help avoid interference, but I'm not totally sure.
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