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Exam CWNA-108 topic 1 question 5 discussion

Actual exam question from CWNP's CWNA-108

Question #: 5
Topic #: 1

[All CWNA-108 Questions]

In a long-distance RF link, what statement about Fade Margin is true?

A. A Fade Margin is unnecessary on a long-distance RF link if more than 80% of the first Fresnel zone is clear of obstructions.
B. The Fade Margin is a measurement of signal loss through free space and is a function of frequency and distance.
C. Fade Margin is an additional pad of signal strength designed into the RF system to compensate for unpredictable signal fading.
D. The Fade Margin of a long-distance radio link should be equivalent to the receiver's low noise filter gain.

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Suggested Answer: C 🗳️

by brendaribon at Dec. 20, 2023, 5:58 p.m.

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brendaribon

6 months, 2 weeks ago

Selected Answer: C

C. Fade Margin is an additional pad of signal strength designed into the RF system to compensate for unpredictable signal fading. CHAPTER 3 - PAGE 111 (Official Study Guide) "The extra signal strength actually has a name and is FADE MARGIN." "The Fade Margin will give you two things: a more consistent link and a longer lasting link."

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