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Cisco 350-401 Exam - Topic 3 Question 113 Discussion

Which unit measures the power of a radio signal with reference to 1 milliwatt?
D) dBm
A) dBi
B) mW
C) dBw

Cisco 350-401 Exam - Topic 3 Question 113 Discussion

Actual exam question for Cisco's 350-401 exam
Question #: 113
Topic #: 3
[All 350-401 Questions]

Which unit measures the power of a radio signal with reference to 1 milliwatt?

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Suggested Answer: D

by Elouise at Aug 04, 2025, 06:42 PM

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Quinn
8 months ago
Really? I had no idea it was based on 1 milliwatt!
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Anjelica
8 months ago
Nope, definitely dBm.
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Dianne
9 months ago
Wait, isn't it dBi? I thought that was the standard.
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Samira
9 months ago
Totally agree, dBm is the one!
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Eleonore
9 months ago
It's dBm, right?
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Theola
10 months ago
I keep mixing up dBi and dBm; I hope I remember correctly that dBm is the one we need here!
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Heike
10 months ago
I practiced a similar question, and I feel like dBm was the right choice there too.
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Yong
10 months ago
I'm not entirely sure, but I remember something about dBw being related to watts, not milliwatts.
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Barrett
10 months ago
I think the answer might be dBm since it relates to power levels in decibels with reference to 1 milliwatt.
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Von
10 months ago
Ah, I remember learning about this in my communications class. The dBm unit is used to express the power of a radio signal with reference to 1 milliwatt. I'm confident that D. dBm is the right answer here.
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Jolanda
11 months ago
Okay, I think I've got this. dBm measures the power of a radio signal in decibels relative to 1 milliwatt. So the correct answer must be D. dBm.
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Erasmo
11 months ago
Hmm, I'm a bit unsure about this one. I know dBi is a measure of antenna gain, and dBw is power in watts, but I can't quite remember what dBm refers to. I'll have to think this through carefully.
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Kris
11 months ago
This one seems straightforward - the question is asking about the unit used to measure radio signal power relative to 1 milliwatt, so I'm pretty sure the answer is dBm.
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Carline
11 months ago
I think the answer is D) dBm.
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Kristian
11 months ago
Hold up, is this a trick question? I mean, who even uses mW these days? It's all about that dBm, baby. Keeps the radio signal nice and strong, you know?
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Melynda
12 months ago
Alright, let's see here. dBi is for antenna gain, mW is just the raw power measurement, and dBw is in reference to 1 watt. But dBm, that's the one that measures the power in relation to 1 milliwatt. Gotta love those decibels!
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Rosalyn
8 months ago
Yeah, it measures power relative to 1 milliwatt.
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Sharika
8 months ago
I think dBm is the right choice!
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Nieves
9 months ago
Exactly! dBi is for gain, not power.
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Ressie
9 months ago
dBw is too high for this question. dBm is the way to go!
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Julieta
1 year ago
Dude, this is like asking a fish to identify the water it's swimming in. Clearly, the answer is dBm - it's the standard unit for measuring radio signal power. Easy peasy.
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Rasheeda
12 months ago
dBm is definitely the go-to unit for measuring power levels in radio signals.
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Arletta
12 months ago
I've always found dBm to be the most straightforward unit for radio signal power.
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Cassi
12 months ago
Yeah, dBm is the way to go when comparing signal strengths.
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Zack
1 year ago
I think it's dBm too, it's a common unit used in radio signal power measurements.
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