LPI

201-400 · Question #21

How can DMA be enabled for the device /dev/hda?

The correct answer is D. hdparm -d 1 /dev/hda. See the full explanation below for the reasoning.

Question

How can DMA be enabled for the device /dev/hda?

Options

Aecho "1" >/proc/ide/hda/dma
Bsysctl -w dev.ide.dma=1
Cdma add /dev/hda
Dhdparm -d 1 /dev/hda
Einsmod dma dev=/dev/hda

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(30 responses)

A
7% (2)
B
3% (1)
C
3% (1)
D
73% (22)
E
13% (4)

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