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Page 1 of 7

1. In the vi editor, which of the following commands will copy the current line into the vi buffer?

2. Which grep command will print only the lines that do not end with a / in the file foo?

grep'/$' foo

grep '/#' foo

grep -v '/$' foo

grep -v '/#' foo

3. Topic 2, Linux Installation and Package Management

Which RPM command will output the name of the package which supplied the file /etc/exports?

rpm -F /etc/exports

rpm -qf /etc/exports

rpm -Kl /etc/exports

rpm -qp /etc/exports

rpm -qi/etc/exports

4. Which of the following explanations are valid reasons to run a command in the background of your shell?

The command does not need to execute immediately.

The command has to run immediately but the user needs to log out.

The system is being shut down and the command needs to restart execution immediately after the reboot.

The command can run at a lower priority than normal commands run on the command line.

5. Creating a hard link to an ordinary file returns an error.

What could be the reason for this?

The source file is hidden.

The source file is read-only.

The source file is a shell script.

The source file is already a hard link.

The source and the target are on different filesystems.

6. Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose TWO correct answers.)

esc ZZ

ctrl :w!

esc zz

esc :wq!

ctrl XX

7. What is the difference between the --remove and the --purge action with the dpkg command?

--remove removes the program, --purge also removes the config files

--remove only removes the program, --purge only removes the config files

--remove removes a package, --purge also removes all packages dependent on it

--remove removes only the package file itself, --purge removes all files related to the package

8. Which of the following commands converts spaces in a file to tab characters and prints the result to standard output?

iconv

expand

unexpand

tab

9. You are having some trouble with a disk partition and you need to do maintenance on this partition but your users home directories are on it and several are logged in.

Which command would disconnect the users and allow you to safely execute maintenance tasks?

telinit 1

shutdown -r now

killall -9 inetd

/bin/netstop --maint

/etc/rc.d/init.d/network stop

10. When running the command

sed -e "s/a/b/" /tmp/file >/tmp/file

While /tmp/file contains data, why is /tmp/file empty afterwards?

The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.

The command sed did not match anything in that file therefore the output is empty.

When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens itfor reading.

Redirection for shell commands do not work using the > character. It only works using the | character instead.

Page 2 of 7

11. Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

sed '/bob/Bob' letter > newletter

sed s/bob/Bob/ letter < newletter

sed's/bob/Bob' letter > newletter

sed 's/bob/Bob/g' letter > newletter

sed 's/bob, Bob/' letter > newletter

12. Which of the following statements are true about the boot sequence of a PC using a BIOS? (Choose two.)

Some parts of the boot process can be configured from the BIOS

Linux does not require the assistance of the BIOS to boot a computer

The BIOS boot process starts only if secondary storage, such as the hard disk, is functional

The BIOS initiates the boot process after turning the computer on

The BIOS is started by loading hardware drivers from secondary storage, such as the hard disk

13. Which of the following commands can be used to display the inode number of a given file?

inode

14. Which of the following commands will load a kernel module along with any required dependency modules?

depmod

insmod

modprobe

module_install

loadmod

15. Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)

shutdown -r now

shutdown -r "rebooting"

telinit 6

telinit 0

shutdown -k now "rebooting"

16. CORRECT TEXT

Which command shows all shared libraries required by a binary executable or another shared library? (Specify ONLY the command without any path or parameters.)

17. Which of the following command lines creates or, in case it already exists, overwrites a file called data with the output of ls?

ls 3> data

ls >& data

ls > data

ls >> data

18. A user accidentally created the subdirectory dir in his home directory.

Which of the following commands will remove that directory?

rmdir '~/dir'

rmdir "~/dir"

rmdir ~/'dir'

rmdir ~/dir

rmdir ~/\dir

19. When redirecting the output of find to the xargs command, what option to find is useful if the filenames contain spaces?

Crep-space

-printnul

-nospace

Cignore-space

Cprint0

20. Which of the following commands will write a message to the terminals of all logged in users?

bcast

mesg

wall

yell

Page 3 of 7

21. Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)

chmod +s /tmp

chmod +t /tmp

chmod 1775 /tmp

chmod 4775 /tmp

chmod 2775 /tmp

22. What does the command mount -a do?

It mounts all available filesystems onto the current directory.

It shows all mounted filesystems.

It mounts all user mountable filesystems for thecurrent user.

It mounts all filesystems listed in /etc/fstab which have the option auto set.

It mounts all filesystems listed in /etc/fstab which have the option noauto set.

23. What is the effect of the egrep command when the -v option is used?

It enables color to highlight matching parts.

It only outputs non-matching lines.

It shows the command's version information.

It changes the output order showing the last matching line first.

24. Topic 4, Devices, Linux Filesystems, Filesystem HierachyStandard

How many fields are in a syntactically correct line of /etc/fstab?

25. What is the process ID number of the init process on a SysV init based system?

-1

It is different with each reboot.

It is set to the current run level.

26. CORRECT TEXT

Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)

27. Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)

28. Given a log file loga.log with timestamps of the format DD/MM/YYYY:hh:mm:ss, which command filters out all log entries in the time period between 8:00 am and 8:59 am?

grep CE ‘:08:[09]+:[09]+’ loga.log

grep CE ‘:08:[00]+’ loga.log

grep CE loga.log ‘:08:[0-9]+:[0-9]+’

grep loga.log ‘:08:[0-9]:[0-9]’

grep CE ‘:08:[0-9]+:[0-9]+’ loga.log

29. When piping the output of find to the xargs command, what option to find is useful if the filenames have spaces in them?

Crep-space

Cprint0

Cnospace

Cignore-space

30. What 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

Page 4 of 7

31. Which of the following commands changes all occurrences of the word “bob” in file data to “Bob” and prints the result to standard output?

sed‘/bob/Bob’ data

sed‘s/bob/Bob/g’ data

sed‘s/bob/Bob/’ data

sed‘/bob/Bob/’ data

sed‘s/bob,Bob/’ data

32. Which of the following commands can be used to perform a full text search on all available packages on a Debian system?

apt

apt-cache

apt-get

apt-search

dpkg

33. Which of the following commands will change all CR-LF pairs in an imported text file, userlist.txt, to Linux standard LF characters and store it as newlist.txt?

tr ‘r
’ ‘’ < userlist.txt > newlist.txt

tr Cc ‘
r’ ‘’ < newlist.txt > userlist.txt

tr Cd ‘r’ < userlist.txt > newlist.txt

tr ‘r’ ‘
’ userlist.txt newlist.txt

tr Cs ‘^M’ ‘^J’ userlist.txt newlist.txt

34. Which of the following is a limitation of the cut command?

Thecutcommand can only select output by field position.

Thecutcommand cannot reorder fields.

Thecutcommand only works on ASCIItext.

Thecutcommand cannot use different input and output delimiters.

35. During a system boot cycle, what program is executed after the BIOS completes its tasks?

The bootloader

The inetd program

The init program

The kernel

36. Which of the following files, located in the user home directory, is used to store the Bash history?

.bash_history

.bash_histfile

.history

.bashrc_history

.history_bash

37. Which of the following commands can be used to download the RPM package kernel without installing it?

yum download --no-install kernel

yumdownloader kernel

rpm --download --package kernel

rpmdownload kernel

38. Which of the following commands will produce the following output?

jobs

proclist

netstat

39. What is the purpose of the Filesystem Hierarchy Standard?

It is a security model used to ensurefiles are organized according to their permissions and accessibility.

It provides unified tools to create, maintain and manage multiple filesystems in a common way.

It defines a common internal structure of inodes for all compliant filesystems.

Itis a distribution neutral description of locations of files and directories.

40. Which of the following is correct when talking about mount points?

Every existing directory can be used as a mount point.

Only empty directories can be used as a mount point.

Directories need to have the SetUID flag set to be used as a mount point.

Files within a directory are deleted when the directory is used as a mount point.

Page 5 of 7

41. Which of the following pieces of information of an existing file is changed when a hard link pointing to that file is created?

File size

Modify timestamp

Link count

Inode number

Permissions

42. Which of the following options must be passed to a filesystem’s entry in /etc/fstab in order to mount the file system without root privileges?

auto

norestrict

noauto

user

43. CORRECT TEXT

Which command is used to create and initialize the files used to store quota information?

(Specify ONLY the command without any path or parameters.)

44. Consider the following output from the command ls Ci:

How would a new file named c.txt be created with the same inode number as a.txt (Inode 525385)?

ln Ch a.txt c.txt

ln c.txt a.txt

ln a.txt c.txt

ln Cf c.txt a.txt

ln Ci 525385 c.txt

45. Which of the following commands can be used to create a USB storage media from a disk image?

gdisk

fdisk

mount

46. Which of the following commands is used to change options and positional parameters for

a running Bash?

history

set

bashconf

setsh

envsetup

47. What is the difference between the i and a commands of the vi editor?

i (interactive) requires the user to explicitly switch between vi modes whereas a (automatic) switches modesautomatically.

i (insert) inserts text before the current cursor position whereas a (append) inserts text after the cursor.

i (independent rows) starts every new line at the first character whereas a (aligned rows) keeps the indentation of the previous line.

i (interrupt) temporarily suspends editing of a file to the background whereas a (abort) terminates editing.

48. Which command is used to query information about the available packages on a Debian system?

apt-cache

apt-get

apt-search

dpkg

dpkg-search

49. CORRECT TEXT

Which umask value will result in the default access permissions of 600 (rw-------) for files and 700 (rwx------) for directories? (Specify only the numerical umask value.)

50. Which wildcards will match the following filenames? (Choose two.)

ttyS0

ttyS1

ttyS2

ttyS[1-5]

tty?[0-5]

tty*2

tty[A-Z][012]

tty[Ss][02]

Page 6 of 7

51. Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?

chmod u=rwx,go=rx /bin/foo

chmod o+rwx,a+rx /bin/foo

chmod 577 /bin/foo

chmod 775 /bin/foo

52. Regarding the command:

nice -5 /usr/bin/prog

Which of the following statements is correct?

/usr/bin/prog is executed with a nice level of -5.

/usr/bin/prog is executed with a nice level of 5.

/usr/bin/prog is executed with a priority of -5.

/usr/bin/prog is executed with a priority of 5.

53. Which of the following Linux filesystems preallocates a fixed number of inodes at the filesystem's make/creation time and does NOT generate them as needed? (Choose TWO correct answers.)

ext3

JFS

ext2

XFS

procfs

54. Topic 5, New Questions Mix

What is true regarding the configuration of yum? (Choose two.)

Changes to the repository configuration become active after running yum confupdate

Changes to the yum configuration become active after restarting the yumd service

The configuration of package repositories can be divided into multiple files

Repository configurations can include variables such as $basearch or $releasever

In case /etc/yum.repos.d/ contains files, /etc/yum.conf is ignored

55. Which 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

56. What does the + symbol mean in the following grep regular expression:

grep '^d[aei]+d$' /usr/share/dict/words

Match the preceding character set ([aei]) one or more times.

Match the preceding character set ([aei]) zero or more times.

Match the preceding character set ([aei]) zero or one times.

Match a literal + symbol.

57. When considering the use of hard links, what are valid reasons not to use hard links?

Hard links are not available on all Linux systems because traditional filesystems, such as ext4, do not support them

Each hard link has individual ownership, permissions and ACLs which can lead to unintended disclosure of file content

Hard links are specific to one filesystem and cannot point to files on another filesystem

If users other than root should be able to create hard links, suln has to be installed and configured

When a hard linked file is changed, a copy of the file is created and consumes additional space

58. CORRECT TEXT

The USB device filesystem can be found under /proc/______/usb/. (Please fill in the blank with the single word only)

59. The command dbmaint & was used to run dbmaint in the background. However, dbmaint is terminated after logging out of the system.

Which alternative dbmaint invocation lets dbmaint continue to run even when the user running the program logs out?

job Cb dmaint

dbmaint &>/dev/pts/null

nohup dbmaint &

bg dbmaint

wait dbmaint

60. Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?

systemd.target=rescue.target

systemd.runlevel=rescue.target

systemd.service=rescue.target

systemd.default=rescue.target

systemd.unit=rescue.target

Page 7 of 7

61. Which of the following commands lists the dependencies of a given dpkg package?

apt-cache depends-onpackage

apt-cache dependencies package

apt-cache depends package

apt-cache requires package

62. Which function key is used to start Safe Mode in Windows NT?

F10

Windows NT does not support Safe Mode