Deal of The Day! Hurry Up, Grab the Special Discount - Save 25% - Ends In 00:00:00 Coupon code: SAVE25
Welcome to Pass4Success

- Free Preparation Discussions
Mail Us support@pass4success.com
Location US
Mob_nav_barsMENU

CWNP CWISA-102 Exam - Topic 3 Question 35 Discussion

Actual exam question for CWNP's CWISA-102 exam
Question #: 35
Topic #: 3
[All CWISA-102 Questions]

What metric is used to express a relative increase or decrease in signal strength?

Show Suggested Answer Hide Answer
Suggested Answer: C

Decibel (dB):A logarithmic unit expressing ratios of power or signal strength. It's used in RF contexts due to the wide range of signal levels encountered.

Examples:

dBm:Decibels relative to one milliwatt (power measurement).

dBi:Decibels relative to an isotropic antenna (antenna gain).

References

Decibel:https://en.wikipedia.org/wiki/Decibel


by Elfriede at Jul 14, 2025, 10:42 PM

Limited Time Offer

25%

Off

Get Premium CWISA-102 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

0/2000 characters
Submit Cancel
Daniel
5 months ago
Wait, isn't dBm also used for absolute power?
upvoted 0 times
...
Audra
5 months ago
I thought it was dBm, but I guess not.
upvoted 0 times
...
Lashon
6 months ago
dB is the right answer, no doubt!
upvoted 0 times
...
Agustin
6 months ago
Really? I always thought it was mW for signal strength.
upvoted 0 times
...
Lonna
6 months ago
It's definitely dB for relative changes!
upvoted 0 times
...
Gayla
6 months ago
I’m a bit confused. I thought dBm was used for power levels, but dB seems more fitting for relative changes.
upvoted 0 times
...
Matthew
7 months ago
I’m leaning towards dB as well. It’s used to express gain or loss, right?
upvoted 0 times
...
Carin
7 months ago
I practiced a question like this before, and I believe dBm is for absolute power, not relative changes.
upvoted 0 times
...
Marsha
7 months ago
I think the answer might be dB, but I'm not completely sure. I remember it being related to logarithmic scales.
upvoted 0 times
...
Jaime
7 months ago
Wait, is it dB or dBm? I'm getting a bit confused between the two. I should review my notes on signal measurements before answering this.
upvoted 0 times
...
Tenesha
7 months ago
Okay, I think I've got this. dB is the metric used to express relative increases or decreases in signal strength, right? It's a logarithmic scale that allows you to easily compare different signal levels.
upvoted 0 times
...
Lindy
8 months ago
Hmm, I'm a bit unsure about this one. I know dBm is used for absolute power measurements, but I can't remember if that's the same for relative changes. I'll have to think this through carefully.
upvoted 0 times
...
Rosita
8 months ago
I'm pretty sure the answer is dB, since that's the standard unit for expressing relative changes in signal strength.
upvoted 0 times
...
Joni
10 months ago
I believe it's B) dBm because it's commonly used in signal strength measurements.
upvoted 0 times
...
Garry
10 months ago
I'm not sure, but I think it's C) dB.
upvoted 0 times
...
Adell
10 months ago
This is easy, C) dB is the answer. Unless you're measuring the power of a lightsaber, in which case, may the Watts be with you.
upvoted 0 times
...
Arlen
10 months ago
I agree with Alayna, dBm is used to express signal strength.
upvoted 0 times
...
Octavio
10 months ago
D) mW, of course! Watts are the true measure of power, not this dB mumbo-jumbo. Keep it simple, folks.
upvoted 0 times
Oren
8 months ago
C) dB is also commonly used in signal strength measurements.
upvoted 0 times
...
Tequila
8 months ago
B) dBm is actually the metric used to express a relative increase or decrease in signal strength.
upvoted 0 times
...
...
Alayna
10 months ago
I think the answer is B) dBm.
upvoted 0 times
...
Elliott
10 months ago
Hmm, I'm torn between B) dBm and C) dB. They both seem like valid options, but I'll go with dBm just to be safe.
upvoted 0 times
Alecia
8 months ago
I agree, dBm is the unit used to express signal strength.
upvoted 0 times
...
Kirk
9 months ago
I think the correct answer is B) dBm.
upvoted 0 times
...
...
Bulah
10 months ago
B) dBm is the way to go. Who cares about watts when you can use decibels? Much more techie sounding.
upvoted 0 times
Fabiola
10 months ago
B) dBm is the way to go. Who cares about watts when you can use decibels? Much more techie sounding.
upvoted 0 times
...
Jettie
10 months ago
A) W
upvoted 0 times
...
...
Lacey
11 months ago
Definitely C) dB - it's the go-to metric for measuring signal strength changes.
upvoted 0 times
Vincent
10 months ago
I agree with you, dB is definitely the metric used to show relative increase or decrease in signal strength.
upvoted 0 times
...
Cassie
10 months ago
Actually, I believe it's C) dB, that's the standard unit for expressing signal strength changes.
upvoted 0 times
...
Percy
10 months ago
I think the answer is B) dBm, it's commonly used in signal strength measurements.
upvoted 0 times
...
...

Save Cancel