CompTIA
FC0-Z51 · Question #244
At what voltage does a USB host supply power to the USB bus?
The correct answer is B. 5 volts. See the full explanation below for the reasoning.
Question
At what voltage does a USB host supply power to the USB bus?
Options
- A15 volts
- B5 volts
- C50 volts
- D3 volts
How the community answered
(29 responses)- A3% (1)
- B76% (22)
- C7% (2)
- D14% (4)
Community Discussion
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