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CompTIA

220-301 · Question #234

Which I/O interface supports up to 127 devices per channel and transfer speeds up to 480 Mbps?

The correct answer is A. USB 2.0. See the full explanation below for the reasoning.

Question

Which I/O interface supports up to 127 devices per channel and transfer speeds up to 480 Mbps?

Options

  • AUSB 2.0
  • BUSB 1.1
  • CSerial ATA
  • DIEEE 1394a

How the community answered

(28 responses)
  • A
    82% (23)
  • B
    7% (2)
  • C
    7% (2)
  • D
    4% (1)

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