Practice Free Lpi 201-450 Exam Questions Online, 201-450 Free Demo

Question No : 1
What is the minimum number of disks required in a RAID5 array?

A.1
B.2
C.3
D.4
E.5

Answer:

Question No : 2
A BIND server should be upgraded to use TSIG.
Which configuration parameters should be added, if the server should use the algorithm hmac-md5 and the key skrKc4DoTzi/tAkllPi7JZA== ?

A.TSIG server.example.com. algorithm hmac-md5; secret "skrKc4DoTzi/tAkllPi7JZA=="; };
B.key server.example.com. { algorithm hmac-md5; secret skrKc4DoTzi/tAkllPi7JZA==; };
C.key server.example.com. { algorithm hmac-md5; secret "skrKc4DoTzi/tAkllPi7JZA=="; };
D.key server.example.com. { algorithm=hmac-md5; secret="skrKc4DoTzi/tAkllPi7JZA=="; };
E.key server.example.com. { algorithm hmac-md5 secret "skrKc4DoTzi/tAkI1Pi7JZA==" };

Answer:

Question No : 3
Which file in /proc contains information on the status of local software RAID devices?

A./proc/raidstat
B./proc/mdstat
C./proc/raidstatus
D./proc/mdstatus
E./proc/raid/status

Answer:

Question No : 4
The Linux kernel is loaded successfully by the boot loader.
However, straight after the kernel mounts the root filesystem, the boot process stops and an error message regarding init is shown.
Which of the following actions is the best one to be used in order to identify and fix the problem?

A.The administrator reboots the system with a recovery disk and checks the root file system for errors with fsck.
B.The administrator reboots the system with a recovery disk and restores from a backup.
C.The administrator reboots the system and tells the kernel, through the boot loader prompt, to use /bin/bash as the initial process.
D.The administrator reboots the system with a recovery disk and installs a new kernel.
E.The administrator reboots the system and tells init, through the boot loader prompt, to use a different runlevel.

Answer:

Question No : 5
Which command displays information about connected USB devices?

A.cat /proc/usbdevices
B.cat /proc/usb/devices
C.cat /proc/bus/usb/devices
D.cat /proc/usbbus/devices
E.cat /proc/hotplug/usb

Answer:

Question No : 6
Which of the following commands creates a Btrfs subvolume named volume in/mnt?

A.btrfs subvolume add -n volume /mnt
B.btrfs create subvolume /mnt volume
C.btrfs-subvolume create /mnt/volume
D.btrfs subvolume new volume /mnt
E.btrfs subvolume create /mnt/volume

Answer:

Question No : 7
Which files are updated as devices are mounted and unmounted to provide information on the currently mounted devices and the options used? (Choose TWO correct answers.)

A./proc/dtab
B./etc/mtab
C./etc/fstab
D./proc/mounts
E./proc/devices

Answer:

Question No : 8
Which pseudo-file contains information on the status of software RAID devices?

A./proc/raidstat
B./proc/mdstatus
C./proc/raidstatus
D./proc/mdstat
E./proc/raid/status

Answer:

Question No : 9
Which command turns an existing ext2 filesystem non-destructively into an ext3 filesystem? (Specify ONLY the command without any path or parameters.)

Answer:/sbin/tune2fs, tune2fs

Question No : 10
The IDE hard drive /dev/hda does not have DMA enabled.
Which 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:

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