Introduction to Linux I – Final Exam Answers 100% PDF file (Modules 15

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1. Which command is used to create or update the quota database files?

quotactl
quotadb
quotacheck *
dbquota

2. By default, the edquota command will use which editor?

joe
emacs
gedit
vi *

3. The quotacheck command creates databases with which names? (choose two)

group.quota
aquota.group *
aquota.user *
user.quota

4. Which directory is the root file system mounted on?

/rootfs
/root
/home
/

5. In which directory are you most likely to find software from third-party publishers?

/usr/local
/var/lib
/usr/third
/opt *

6. To activate a swap space that has been initialized, you can execute:

swapcontrol
swapon *
swapoff
swapctl

7. The first field in the /etc/fstab file is used to specify:

The filesystem type
The mount point
The mount options
The dump level
The device to mount *
The fsck order

8. The fifth field in the /etc/fstab file is used to specify:

The mount options
The dump level *
The filesystem type
The device to mount
The mount point
The fsck order

9. The sixth field in the /etc/fstab file is used to specify:

The mount point
The device to mount
The dump level
The filesystem type
The fsck order *
The mount options

10. Which mount option will remount a currently mounted filesystem?

mount -o reset
mount -o reload
mount -o mount
mount -o remount *

11. What determines how many files can be stored in a filesystem?

The number of inodes *
The Superblock size
The number of data blocks
The number of bytes

12. The number of inodes in a filesystem is:

Always the same for every filesystem
Determined when the filesystem is created *
Determined by the filesystem type
Something that can be changed at a later date

13. Which of the following is true about the fsck command?

It should only be executed on unmounted filesystems *
It can only be used to fix ext2 filesystems
It can only be used to fix ext3 filesystems
It should only be executed on mounted filesystems

14. Which of the following commands will create a soft link from the /tmp/test file to the /tmp/data file?

ln -s /tmp/data /tmp/test
ln /tmp/test /tmp/data
ln -s /tmp/test /tmp/data *
ln /tmp/data /tmp/test

15. Which of the following commands will create a hard link from the /tmp/test file to the /tmp/data file?

ln -s /tmp/test /tmp/data
ln /tmp/test /tmp/data *
ln -s /tmp/data /tmp/test
ln /tmp/data /tmp/test

16. Which value represents the inode number in the following output of the ls -li command: 87589 -rw-r–r–. 2 root root 83 Mar 4 22:45 myhosts

83
2
22:45
87589 *

17. Which value represents the hard link count in the following output of the ls -li command: 87589 -rw-r–r–. 2 root root 83 Mar 4 22:45 myhosts

83
2 *
22:45
87589

18. Which bootloader includes the Secure Boot feature?

BIOS
UEFI *
LILO
GRUB

19. In GRUB Legacy, the _____ directive indicates how long to wait before automatically booting the default operating system.

fallback=
timeout= *
password=
kernel

20. Which of the following commands can be used to create an encrypted password that can be used with the password directive in GRUB Legacy:

crypt-md5-grub
grub-md5-crypt *
grub-crypt
crypt-grub

21. The first stage of the boot process is:

The firmware (BIOS/UEFI) stage *
The init phase
The kernel phase
The Bootloader (LILO/GRUB) stage

22. The fourth stage of the boot process is:

The init phase *
The Bootloader (LILO/GRUB) stage
The firmware (BIOS/UEFI) stage
The kernel

23. The bootloader (GRUB/LILO) loads which of the following components into memory? (choose two)

The root filesystem
The kernel *
The init process
The ramdisk *

24. Which of the following commands can be used to reboot the system? (choose two)

shutdown
halt
reboot *
shutdown -r *

25. What two differences are there between querying an installed RPM and an RPM package file with the rpm command? (choose two)

You must use the full filename when querying the installed RPM.
To query the installed RPM, you have to add the -i option.
You must use the full filename when querying the package. *
To query the package file, you have to add the -p option. *

26. The rpm2cpio command can be used to: (choose two)

Create a new “.rpm” file
Extract files from a “.rpm” file *
List the content of a “.rpm” file *
Build a binary “.rpm” file from a source “.src.rpm” file

27. Which command will remove all files that belong to a Debian package?

apt-get purge *
apt-get remove
apt-get uninstall
apt-get erase

28. Which command will update the list of available packages for APT?

apt-cache update
apt-get update *
apt-cache upgrade
apt-get upgrade

29. Which command may be used to get a list of the installed Debian packages?

dpkg -l *
dpkg -L
apt-get list
apt-get show

30. Which command will show the dependencies of a Debian package?

apt-cache requires
apt-get depends
apt-cache depends *
apt-get requires

31. Which command will show the dependencies of an RPM package?

rpm -qpd
yum provides
yum requires
rpm -qpR *

32. Which two commands will show detailed information about a Debian package? (choose two)

apt-cache info
apt-cache show *
dpkg -s *
dpkg -i

33. Which command shows the scripts that may be part of a RPM package?

yum scripts
yum info
rpm -qs
rpm -q –scripts *

34. Which command is used to display the shared libraries of a dynamically linked executable?

ldd *
ld.so
ldlist
ldconfig

35. Which option to the df command displays the size of a filesystem in “human readable” format?

-h *
-human
-g
No option will provide this feature

36. You can display current filesystem space usage with the _____ command.

du
ls
dw
df *

37. A system that contains Linux as well as a Microsoft Windows operating system is called a:

This sort of system cannot exist
Multi environment system
A file base system
Dual boot system *

38. In what directory are you most likely to find user’s home directories?

/usr/local
/home *
/var/lib
/usr/third

39. Which directory structure has directories which may have heavy activity for services like mail, ftp, httpd and printing?

/home
/rootfs
/root
/var *

40. After running fdisk -cu /dev/sdb, what fdisk command will allow you to change a partition type?

41. After running fdisk -cu /dev/sdb, what fdisk command will allow you to create a new partition?

42. After running fdisk -cu /dev/sdb, what fdisk command will allow you to delete a partition?

43. What option to the fdisk command is used to utilize sector unit sizes?

-t
-s
-usize
-u *

44. Which mount option mounts a filesystem allowing reading only?

readonly
ronly
ro *
rw

45. Which option to the tune2fs command will change the space reserved for system use?

-R
-m *
-M
-r

46. Which option to the dumpe2fs command will have the command display only superblock information?

-h *
-g
-d
-s

47. The _____ command will display how much space a filesystem has free?

du
free
df *
init

48. Which option to the fsck command will answer “yes” to all queries?

-y *
-n
-N
-Y

49. Which option to the fsck command will answer “no” to all queries?

-y
-Y
-n *
-N

50. Which option to the fsck command will allow you to specify the filesystem type?

-t *
-F
-T
-f

51. Missing files don’t have their original file names, instead they are named with their _____ number?

device
inode *
UID
GID

52. Which type of link can be made to a file on another filesystem, hard or soft?

soft *
hard

53. To use an encrypted password in the GRUB Legacy configuration file, use the _____ option to the password directive.

–md5 *
–encrypt
–secure
–crypt

54. The primary configuration file for the GRUB 2 on a Fedora system is _____.

/boot/grub2/grub.cfg *
/boot/grub/grub2.cfg
/boot/grub2.cfg
/boot/grub/grub.cfg

55. Which runlevel number is defined as “user-definable”?

56. Which runlevel number defines halting the system?

57. The first process that the kernel launches is called the _____ process.

init *
kernel
sys
startx

58. On a Ubuntu system, what variable defines the default runlevel in the /etc/init/rc-sysinit.conf file?

DEFAULT_RUNLEVEL *
DEFAULT
RUNLEVEL
RUN

59. What are the correct options for the rpm command to display a list of all installed packages?

-qa *
-a
-qall
-b

60. Which environment variable can a user set, that will affect where shared libraries can be located and loaded?

LIBRARY_PATH
LIBRARY_LD_PATH
LD_PATH
LD_LIBRARY_PATH *

61. Which of the following are benefits of a shared library: (choose two)

Programs run faster
Programs can be smaller *
Programs run slower
Programs use a more consistent base of code *

62. Which of the following will find and load shared libraries when a program is executed?

The scheduler
The dynamic linker *
The kernel
The init process

63. Which of the following contents is in the ldconfig configuration file by default?

include all
include /etc/ldconfig
include ldconfig
include ld.so.conf.d/*.conf *

64. Which command is used to view the services that are set to start or stop automatically?

config
chkconfig *
lsconfig
initconfig

65. Which of the following is not a daemon used for logging?

klogd
ilogd *
rsyslogd
syslogd

66. What is the maximum memory that a 64 bit processor can theoretically use?

16 EiB *
8 GiB
2 GiB
4 GiB

67. Which of the following is not a characteristic of firmware?

Change runlevels *
Tests the components upon startup
Typically stored in ROM
Change settings to affect the use of external devices

68. Which of the following resources are used by devices to communicate with the system?

IO Channels, IO Memory, Interrupts and DMA Ports
IO Ports, IO Memory, Interrupts, and DMA Channels *
IO Ports, IO Memory, Signals and DMA Channels
IO Ports, RAM, Interrupts and DMA Channels

69. Interrupts cannot be shared between devices.
True or False?

True
False *

70. Which option of the lspci command would you use to troubleshoot a network interface card?

-r
-t
-nn *
-a

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