CWNP
CWNA-107 · Question #123
When using a spectrum to look for non Wi-Fi interference sources, you notice significant interference across the entire 2.4 GHz band (not on a few select frequencies) within the desktop area of a…
The correct answer is D. Unintentional radiation from the PC power supply. See the full explanation below for the reasoning.
Question
When using a spectrum to look for non Wi-Fi interference sources, you notice significant interference across the entire 2.4 GHz band (not on a few select frequencies) within the desktop area of a users workspace, but the interference disappears quickly after just 2 meters. What is the most likely cause of this interference?
Options
- AUSB 3 devices in the user's work area
- BBluetooth devices in the user's work area
- CExcess RF energy from a nearby AP
- DUnintentional radiation from the PC power supply
How the community answered
(45 responses)- A13% (6)
- B4% (2)
- C7% (3)
- D76% (34)
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