CWNP Exam CWISA-102 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?

BdBm

CdB

DmW

Show Suggested 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

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Lacey

7 days ago

Definitely C) dB - it's the go-to metric for measuring signal strength changes.

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