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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
4 months, 4 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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