Free 101-500 Dumps Questions [2022] - Check To Find The Quality OF 101-500 Updated Dumps

Free 101-500 Dumps Questions [2022] – Check To Find The Quality OF 101-500 Updated Dumps

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Check Free 101-500 Dumps Questions [2022] | ITPrepare

Page 1 of 9

1. 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.

2. Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?

kill -PIPE 123

kill -KILL 123

kill -STOP 123

kill -TERM 123

3. Which of the following commands is used to update the list of available packages when using dpkg based package management?

apt-get update

apt-get upgrade

apt-cache update

apt-get refresh

apt-cache upgrade

4. CORRECT TEXT

What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)

5. Topic 3, GNU and Unix Commands

Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and without any trailing spaces, is reached?

6. CORRECT TEXT

Which world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)

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

F10

Windows NT does not support Safe Mode

8. Which of the following statements is correct regarding the command foo 1> bar?

The stdout from the command foo is appended to the file bar.

The stdout from the command foo overwrites the file bar.

The command foo receives its stdin from the file bar.

The command foo receives its stdin from the stdout of the command bar.

The stderr from the command foo is saved to the file bar.

9. CORRECT TEXT

An administrator has issued the following command:

grub-install --root-directory=/custom-grub /dev/sda

In which directory will new configuration files be found? (Provide the full directory path only without the filename)

10. After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?

kill -HUP $(pidof grub)

grub-install

grub

No action is required

Page 2 of 9

11. Which of the following commands will print the last 10 lines of a text file to the standard output?

cat -n 10 filename

dump -n 10 filename

head -n 10 filename

tail -n 10 filename

12. CORRECT TEXT

To prevent users from being able to fill up the / partition, the ____________ directory should be on a separate partition if possible because it is world writeable.

13. 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

14. 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.

15. 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

16. Which of the following kernel parameters instructs the kernel to suppress most boot messages?

silent

verbose=0

nomesg

quiet

17. When using rpm --verify to check files created during the installation of RPM packages, which of the following information is taken into consideration? (Choose THREE correct answers.)

Timestamps

MD5 checksums

Inodes

File sizes

GnuPG signatures

18. CORRECT TEXT

Which command displays a list of all background tasks running in the current shell? (Specify ONLY the command without any path or parameters.)

19. CORRECT TEXT

The dpkg-____ command will ask configuration questions for a specified package, just as if the package were being installed for the first time.

20. Which of the following apt-get commands will install the newest versions of all currently installed packages without removing any packages or installing new packages that are not already installed?

auto-update

upgrade

dist-upgrade

install

update

Page 3 of 9

21. What happens after issuing the command vi without any additional parameters?

vi starts and loads the last file used andmoves the cursor to the position where vi was when it last exited.

vi starts and requires the user to explicitly either create a new or load an existing file.

vi exits with an error message as it cannot be invoked without a file name to operate on.

vi starts in command mode and opens a new empty file.

vi starts and opens a new file which is filled with the content of the vi buffer if the buffer contains text.

22. CORRECT TEXT

You suspect that a new ethernet card might be conflicting with another device.

Which file should you check within the /proc tree to learn which IRQs are being used by which kernel drivers?

23. 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

24. What is the output of the following command?

echo "Hello World" | tr -d aieou

Hello World

eoo

Hll Wrld

eoo Hll Wrld

25. 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"

26. When removing a package, which of the following dpkg options will completely remove the files including configuration files?

--clean

--delete

--purge

Cremove

27. What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)

To create RAID 9 arrays.

To dynamically change the size of logical volumes.

To encrypt logical volumes.

To create snapshots.

To dynamically create or delete logical volumes.

28. 1. Topic 1, System Architecture

CORRECT TEXT

Which command displays the contents of the Kernel Ring Buffer on the command line? (Provide only the command name without any options or path information)

29. Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?

magic

type

file

pmagic

hash

30. What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?

/lib/init.so

/sbin/init

/etc/rc.d/rcinit

/proc/sys/kernel/init

/boot/init

Page 4 of 9

31. To what environment variable will you assign or append a value if you need to tell the dynamic linker to look in a build directory for some of a program's shared libraries?

LD_LOAD_PATH

LD_LIB_PATH

LD_LIBRARY_PATH

LD_SHARE_PATH

LD_RUN_PATH

32. 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

33. 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

34. Which of the following options is used in a GRUB Legacy configuration file to define the amount of time that the GRUB menu will be shown to the user?

hidemenu

splash

timeout

showmenu

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 commands lists all currently installed packages when using RPM

package management?

yum --query --all

yum --list --installed

rpm --query --all

rpm --list Cinstalled

37. The system is having trouble and the engineer wants to bypass the usual /sbin/init start up and run /bin/sh.

What is the usual way to pass this change to the kernel from your boot loader?

Start in runlevel 1.

Pass init=/bin/sh on the kernel parameter line.

Pass /bin/sh on the kernel parameter line.

Pass start=/bin/sh on the kernel parameter line.

38. CORRECT TEXT

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

39. Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)

40. Which of the following are init systems used within Linux systems? (Choose THREE correct answers.)

startd

systemd

Upstart

SysInit

SysV init

Page 5 of 9

41. CORRECT TEXT

Which option to the yum command will update the entire system? (Specify ONLY the option name without any additional parameters.)

42. 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

43. Which of the following command sets the Bash variable named TEST with the content FOO?

set TEST="FOO"

TEST = "FOO"

var TEST="FOO"

TEST="FOO"

44. Which 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

45. Which of the following commands moves and resumes in the background the last stopped shell job?

run

back

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

bcast

mesg

wall

yell

47. While editing a file in vi, the file changes due to another process.

Without exiting vi, how can the file be reopened for editing with the new content?

48. CORRECT TEXT

Typically, which top level system directory is used for files and data that change regularly while the system is running and are to be kept between reboots? (Specify only the top level directory)

49. 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

50. CORRECT TEXT

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

Page 6 of 9

51. 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.

52. Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)

shutdown -R 1 now

shutdown -single now

init 1

telinit 1

runlevel 1

53. Which file should be edited to select the network locations from which Debian installation package files are loaded?

/etc/dpkg/dpkg.cfg

/etc/apt/apt.conf

/etc/apt/apt.conf.d

/etc/apt/sources.list

/etc/dpkg/dselect.cfg

54. Which of the following commands updates the linker cache of shared libraries?

mkcache

soconfig

mkldconfig

lddconfig

ldconfig

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

a running Bash?

history

set

bashconf

setsh

envsetup

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

57. Which of the following commands displays the contents of a gzip compressed tar archive?

gzip archive.tgz | tar xvf

tar ztf archive.tgz

gzip -d archive.tgz | tar tvf

tar cf archive.tgz

58. Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

Boot device order

Linux kernel version

Timezone

Hardware configuration

The system's hostname

59. The message "Hard Disk Error" is displayed on the screen during Stage 1 of the GRUB boot process.

What does this indicate?

The kernel was unable to execute /bin/init

The next Stage cannot be read from the hard disk because GRUB was unable to determine the size and geometry of the disk

One or more of the filesystems on the hard disk has errors and a filesystem check should be run

The BIOS was unable to read the necessary data from the Master Boot Record to begin the boot process

60. During a system boot cycle, what is the program that is run after the BIOS completes its tasks?

The bootloader

The inetd program

The init program

The kernel

Page 7 of 9

61. What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)

Entries for all possible devices get created on boot even if those devices are not connected.

Additional rules for udev can be created by adding them to /etc/udev/rules.d/.

When using udev, it is not possible to create block orcharacter devices in /dev/ using mknod.

The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.

The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.

62. Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers.)

find /tmp -uid root -print

find -path /tmp -uid root

find /tmp -user root -print

find /tmp -user root

find -path /tmp -user root Cprint

63. You want to preview where the package file, apache-xml.i386.rpm, will install its files before installing it.

What command do you issue?

rpm -qp apache-xml.i386.rpm

rpm -qv apache-xml.i386.rpm

rpm -ql apache-xml.i386.rpm

rpm -qpl apache-xml.i386.rpm

64. Which of the following statements is correct when talking about /proc/?

All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.

All files within /proc/ are read-only and their contents cannot be changed.

All changes to files in /proc/ are immediately recognized by the kernel.

All files within /proc/ are only readable by the root user.

65. What command will generate a list of user names from /etc/passwd along with their login shell?

column -s : 1,7 /etc/passwd

chop -c 1,7 /etc/passwd

colrm 1,7 /etc/passwd

cut -d: -f1,7 /etc/passwd

66. Which of the following environment variables overrides or extends the list of directories holding shared libraries?

LD_LOAD_PATH

LD_LIB_PATH

LD_LIBRARY_PATH

LD_SHARE_PATH

LD_RUN_PATH

67. 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

68. What is the default nice level when a process is started using the nice command?

-10

69. Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?

file /tmp/myfile.txt

echo "Hello" >/tmp/myfile.txt

sed -ie "s/1/2/" /tmp/myfile.txt

echo -n "Hello" >>/tmp/myfile.txt

touch/tmp/myfile.txt

70. You are trying to make a hard link to an ordinary file but ln returns an error.

Which of the following could cause this?

The source file is hidden.

The source file is read-only.

The source file is a shell script.

You do not own the source file.

The source and the target are on different filesystems.

Page 8 of 9

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

72. CORRECT TEXT

Which command will display messages from the kernel that were output during the normal boot sequence?

73. In compliance with the FHS, in which of the directories are man pages found?

/usr/share/man

/opt/man

/usr/doc/

/var/pkg/man

/var/man

74. 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

75. CORRECT TEXT

Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)

76. What is the maximum niceness value that a regular user can assign to a process with the nice command when executing a new process?

77. CORRECT TEXT

In which directory must definition files be placed to add additional repositories to yum?

78. 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

79. CORRECT TEXT

Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time? (Specify ONLY the command without any path or parameters.)

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

gdisk

fdisk

mount

Page 9 of 9

81. Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?

dd if=/dev/zero of=/dev/sda bs=512

dd if=/dev/zero of=/dev/sda bs=512 count=1

dd if=/dev/zero of=/dev/sda bs=440 count=1

dd if=/dev/zero of=/dev/sda bs=440

82. CORRECT TEXT

Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)

Free 101-500 Dumps Questions [2022] – Check To Find The Quality OF 101-500 Updated Dumps