10 free sample questions from a bank of 140, with the correct answers and explanations. No signup required — start practising right now.
1Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
/etc/keys
/proc/keys
/etc/inittab
/proc/inittab
/etc/reboot
Answer: C
2What information can the lspci command display about the system hardware? (Choose THREE correct answers.)
Device IRQ settings
PCI bus speed
System battery type
Device vendor identification
Ethernet MAC address
Answer:
3Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?
dirname
which
basename
query
whereis
Answer: E
4Which of the following commands changes the number of days before the ext3 filesystem on /dev/sda1 has to run through a full filesystem check while booting?
tune2fs -d 200 /dev/sda1
tune2fs -c 200 /dev/sda1
tune2fs -i 200 /dev/sda1
tune2fs -n 200 /dev/sda1
tune2fs --days 200 /dev/sda1
Answer: C
5Which type of filesystem is created by mkfs when it is executed with the block device name only and without any additional parameters?
ext2
ext3
ext4
XFS
VFAT
Answer: A
6How many fields are in a syntactically correct line of /etc/fstab?
3
4
5
6
7
Answer: D
7SIMULATION -
Which command is used to create and initialize the files used to store quota information? (Specify ONLY the command without any path or parameters.)
Answer:
8Which of the following commands creates an ext3 filesystem on /dev/sdb1? (Choose TWO correct answers.)
/sbin/mke2fs -j /dev/sdb1
/sbin/mkfs -t ext3 /dev/sdb1
/sbin/mkfs -c ext3 /dev/sdb1
/sbin/mke3fs -j /dev/sdb1
Answer:
9Which of the following commands will change the quota for a specific user?
edquota
repquota
quota -e
quota
Answer: A
10Which utility would be used to change how often a filesystem check is performed on an ext2 filesystem without losing any data stored on that filesystem?