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CompTIA

220-301 · Question #311

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

The correct answer is D. 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

  • ASerial ATA
  • BUSB 1.1
  • CIEEE 1394a
  • DUSB 2.0

How the community answered

(20 responses)
  • B
    10% (2)
  • C
    5% (1)
  • D
    85% (17)

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