Which single command will simulate a failed device within a RAID 5 array?
A. mdadm --remove /dev/md0 /dev/sdd1
B. mdadm --zero-superblock /dev/sdf3
C. mdadm --force-fault /dev/md2 /dev/sde2
D. mdadm --fail /dev/md0 /dev/sdc1
E. mdadm /dev/md0 --offline /dev/sdc1
Where would fsck put any unreferenced file or file fragments on a ext4 filesystem?
A. recover
B. lost+found
C. back
D. lost
Which of the following commands is used to set up a RAID volume?
A. makerd
B. mdadm
C. mkfs.raid
D. makeraid
E. rdconfig
How can the label root be added to the ext4 filesystem on /dev/sda1?
A. relabel /dev/sda1 root
B. tune2fs -L root /dev/sda1
C. echo 'root' > /proc/fs/sda1/label
D. labelfs --device /dev/sda1 root
What are the options to node.startup in the iscsid.conf file? (Choose TWO correct answers.)
A. login
B. initiate
C. manual
D. discover
E. automatic
A system has one hard disk and one CD writer which are both connected to SATA controllers. Which device represents the CD writer?
A. /dev/hdb
B. /dev/sdd
C. /dev/scd1
D. /dev/sr0
E. /dev/sr1
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
The main configuration file for autofs has this entry:
/home /etc/auto.home
What is the meaning of the /etc/auto.home file?
A. It has the indirect maps for the mounting of file systems.
B. It has configuration information, such as passwords and keys, for the remote file server.
C. It has configuration information on settings for the /home mount point.
D. It is the holds the SSL key to allow authentication to the remote file server.
The correct command sequence to create and mount logical volumes on a Linux system is:
A. lvcreate, pvcreate, vgcreate, mkfs, mount
B. pvcreate, vgcreate, lvcreate, mkfs, mount
C. vgcreate, lvcreate, pvcreate, mount, mkfs
D. mkfs, pvcreate, vgcreate, lvcreate, mount
E. pvcreate, lvcreate, vgcreate, mkfs, mount
What component of a system does smartd monitor?
A. CPU
B. RAM
C. Hard drives
D. Ethernet traffic
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