CompTIA
220-1101 · Question #852
A technician is selecting a power supply for a new computer. There will be a large number of connected devices that must be powered by USB. Which of the following specifications should the technician
The correct answer is B. 5V amperage. USB devices rely on 5V output from the power supply, so the amperage rating at 5V is critical to ensure enough power is available for multiple USB devices.
Hardware
Question
A technician is selecting a power supply for a new computer. There will be a large number of connected devices that must be powered by USB. Which of the following specifications should the technician prioritize?
Options
- AModular connector count
- B5V amperage
- C20+4 power connector
- DEnergy efficiency
How the community answered
(44 responses)- A2% (1)
- B82% (36)
- C11% (5)
- D5% (2)
Explanation
USB devices rely on 5V output from the power supply, so the amperage rating at 5V is critical to ensure enough power is available for multiple USB devices.
Topics
#Power supply#USB power#5V rail#Amperage
Community Discussion
No community discussion yet for this question.