CWNP
CWDP-305 · Question #287
While using a USB adapter attached to a USB hub and your laptop for protocol analysts you notice that the SNR is lower than expected. The USB adapter is an 802 11 ac 3x3 3 adapter and is connected…
The correct answer is B. USB 3 0 interference. See the full explanation below for the reasoning.
Question
While using a USB adapter attached to a USB hub and your laptop for protocol analysts you notice that the SNR is lower than expected. The USB adapter is an 802 11 ac 3x3 3 adapter and is connected to a USB 3 hub. What is likely causing the SNR variation?
Options
- AUSB 20 interference
- BUSB 3 0 interference
- CEMI from the battery in the device
- DRF incidental energy generated by the cooling fans in the laptop
How the community answered
(23 responses)- A4% (1)
- B74% (17)
- C13% (3)
- D9% (2)
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