31. What command is used to force a file-system check, when rebooting?
A. reboot -f
B. shutdown -f now
C. shutdown -c -r now
D. fsck -r
E. shutdown -F -r now
Answer: E
32. What command can be used on an existing (formatted) partition, to configure the interval between disk checks when
mounting partitions?
A. mke2fs
B. e2fsck
C. e2fsckconfig
D. config2fs
E. tune2fs
Answer: E
33. How can DMA be enabled for the device /dev/hda?
A. echo “1″ >/proc/ide/hda/dma
B. hdparm -d 1 /dev/hda
C. sysctl -w dev.ide.dma=1
D. dma add /dev/hda
E. insmod dma dev=/dev/hda
Answer: B
34. What is the minimum number of disks required in a RAID5 array?
A. 1
B. 2
C. 3
D. 4
E. 5
Answer: C
35. One of the IDE hard drives in a server is transferring data very slowly. What command must be run to enable DMA
on it?
A. hdparm -d /dev/hda
B. hdparm -dma /dev/hda
C. hdparm -dma /dev/hda1
D. hdparm -d /dev/hda1
E. hdparm -d 1 /dev/hda
Answer: E
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