alokjani/LPIC-101 400-2

## LPIC-101 400-2

Exam A

QUESTION 1
Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

A.	Boot device order
B.	Linux kernel version
C.	Timezone
D.	Hardware configuration
E.	The system's hostname


QUESTION 2
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)

A.	shutdown -r now
B.	shutdown -r "rebooting"
C.	telinit 6
D.	telinit 0
E.	shutdown -k now "rebooting"


QUESTION 3
Which of the following are init systems used within Linux systems? (Choose THREE correct answers.)

A.	startd
B.	systemd
C.	Upstart
D.	SysInit
E.	SysV init

QUESTION 4
SIMULATION
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)

QUESTION 5
What information can the lspci command display about the system hardware? (Choose THREE correct answers.)


A.	Device IRQ settings
B.	PCI bus speed
C.	System battery type
D.	Device vendor identification
E.	Ethernet MAC address

QUESTION 6
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.)

A.	shutdown -R 1 now
B.	shutdown -single now
C.	init 1
D.	telinit 1
E.	runlevel 1


QUESTION 7
What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?

A.	/lib/init.so
B.	/sbin/init
C.	/etc/rc.d/rcinit
D.	/proc/sys/kernel/init
E.	/boot/init


QUESTION 8
SIMULATION
Which command will display messages from the kernel that were output during the normal boot sequence?

QUESTION 9
Which of the following commands will write a message to the terminals of all logged in users?

A.	bcast
B.	mesg
C.	print
D.	wall
E.	yell


QUESTION 10
Which of the following kernel parameters instructs the kernel to suppress most boot messages?

A.	silent
B.	verbose=0
C.	nomesg
D.	quiet


QUESTION 11
Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?

A.	systemd.target=rescue.target
B.	systemd.runlevel=rescue.target
C.	systemd.service=rescue.target
D.	systemd.default=rescue.target
E.	systemd.unit=rescue.target


QUESTION 12
After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?

A.	kill -HUP $(pidof grub)
B.	grub-install
C.	grub
D.	No action is required


QUESTION 13
Which of the following commands is used to update the list of available packages when using dpkg based package management?

A.	apt-get update
B.	apt-get upgrade
C.	apt-cache update
D.	apt-get refresh
E.	apt-cache upgrade


QUESTION 14
Which of the following commands lists the dependencies of a given dpkg package?

A.	apt-cache depends-on package
B.	apt-cache dependencies package
C.	apt-cache depends package
D.	apt-cache requires package


QUESTION 15
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?

A.	hidemenu
B.	splash
C.	timeout
D.	showmenu


QUESTION 16
What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)

A.	To create RAID 9 arrays.
B.	To dynamically change the size of logical volumes.
C.	To encrypt logical volumes.
D.	To create snapshots.
E.	To dynamically create or delete logical volumes.


QUESTION 17
Which of the following commands updates the linker cache of shared libraries?

A.	mkcache
B.	soconfig
C.	mkldconfig
D.	lddconfig
E.	ldconfig


QUESTION 18
Which of the following commands lists all currently installed packages when using RPM package management?

A.	yum --query --all
B.	yum --list --installed
C.	rpm --query --all
D.	rpm --list installed


QUESTION 19
Which of the following commands can be used to download the RPM package kernel without installing it?

A.	yum download --no-install kernel
B.	yumdownloader kernel

C.	rpm --download --package kernel
D.	rpmdownload kernel


QUESTION 20
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.)

A.	Timestamps
B.	MD5 checksums
C.	Inodes
D.	File sizes
E.	GnuPG signatures


QUESTION 21
Which RPM command will output the name of the package which supplied the file /etc/exports?

A.	rpm -F /etc/exports
B.	rpm -qf /etc/exports
C.	rpm -Kl /etc/exports
D.	rpm -qp /etc/exports
E.	rpm -qi /etc/exports


QUESTION 22
SIMULATION
In which directory must definition files be placed to add additional repositories to yum?


QUESTION 23
SIMULATION
What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)


QUESTION 24
When removing a package, which of the following dpkg options will completely remove the files including configuration files?

A.	--clean
B.	--delete
C.	--purge
D.	remove


QUESTION 25
Which file should be edited to select the network locations from which Debian installation package files are loaded?

A.	/etc/dpkg/dpkg.cfg
B.	/etc/apt/apt.conf
C.	/etc/apt/apt.conf.d
D.	/etc/apt/sources.list
E.	/etc/dpkg/dselect.cfg


QUESTION 26
SIMULATION
Which option to the yum command will update the entire system? (Specify ONLY the option name without any additional parameters.)


QUESTION 27
SIMULATION
Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)


QUESTION 28
SIMULATION
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.)


QUESTION 29
Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?

A.	dd if=/dev/zero of=/dev/sda bs=512
B.	dd if=/dev/zero of=/dev/sda bs=512 count=1
C.	dd if=/dev/zero of=/dev/sda bs=440 count=1
D.	dd if=/dev/zero of=/dev/sda bs=440


QUESTION 30
Which of the following commands can be used to create a USB storage media from a disk image?


A.	gdisk
B.	dd
C.	cc
D.	fdisk
E.	mount


QUESTION 31
In Bash, inserting 1>&2 after a command redirects

A.	standard error to standard input.
B.	standard input to standard error.

C.	standard output to standard error.
D.	standard error to standard output.
E.	standard output to standard input.


QUESTION 32
What command will generate a list of user names from /etc/passwd along with their login shell?

A.	column -s : 1,7 /etc/passwd
B.	chop -c 1,7 /etc/passwd
C.	colrm 1,7 /etc/passwd
D.	cut -d: -f1,7 /etc/passwd


QUESTION 33
In a nested directory structure, which find command line option would be used to restrict the command to searching down a particular number of subdirectories?

A.	-dirmax
B.	-maxdepth
C.	-maxlevels
D.	-n
E.	-s


QUESTION 34
Which of the following statements is correct regarding the command foo 1> bar?

A.	The stdout from the command foo is appended to the file bar.
B.	The stdout from the command foo overwrites the file bar.
C.	The command foo receives its stdin from the file bar.
D.	The command foo receives its stdin from the stdout of the command bar.
E.	The stderr from the command foo is saved to the file bar.


QUESTION 35
Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?

A.	kill -PIPE 123
B.	kill -KILL 123
C.	kill -STOP 123
D.	kill -TERM 123


QUESTION 36
SIMULATION
Which signal is missing from the following command that is commonly used to instruct a daemon to reinitialize itself, including reading configuration files?

killall -s 	daemon

QUESTION 37
What is the maximum niceness value that a regular user can assign to a process with the nice command when executing a new process?

A.	9
B.	19
C.	49
D.	99


QUESTION 38
Immediately after deleting 3 lines of text in vi and moving the cursor to a different line, which single character command will insert the deleted content below the current line?

A.	i (lowercase)
B.	P (uppercase)
C.	p (lowercase)
D.	U (uppercase)
E.	u (lowercase)


QUESTION 39
A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove that directory?

A.	rmdir '~/\dir'
B.	rmdir "~/\dir"
C.	rmdir ~/'dir'
D.	rmdir ~/\dir
E.	rmdir ~/\\dir


QUESTION 40
In compliance with the FHS, in which of the directories are man pages found?


A.	/usr/share/man
B.	/opt/man
C.	/usr/doc/
D.	/var/pkg/man
E.	/var/man


QUESTION 41
Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

A.	cat < myapp | cat > file1.log
B.	myapp 0>&1 | cat > file1.log
C.	myapp | cat > file1.log
D.	myapp | tee file1.log
E.	tee myapp file1.log


QUESTION 42
What is the purpose of the Bash built-in export command?

A.	It allows disks to be mounted remotely.
B.	It runs a command as a process in a subshell.
C.	It makes the command history available to subshells.
D.	It sets up environment variables for applications.
E.	It shares NFS partitions for use by other systems on the network.


QUESTION 43
What is the output of the following command? echo "Hello World" | tr -d aieou
A.	Hello World
B.	eoo
C.	Hll Wrld
D.	eoo Hll Wrld


QUESTION 44
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?

A.	<<
B.	<|
C.	!<
D.	&<


QUESTION 45
In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?

A.	By using the command :repeat followed by the number and the command.
B.	By specifying the number right in front of a command such as 4l or 2yj.
C.	By selecting all affected lines using the shift and cursor keys before applying the command.

D.	By issuing a command such as :set repetition=4 which repeats every subsequent command 4 times.


QUESTION 46
Which of the following files, located in the user home directory, is used to store the Bash history?

A.	.bash_history
B.	.bash_histfile
C.	.history
D.	.bashrc_history
E.	.history_bash


QUESTION 47
SIMULATION
Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)


QUESTION 48
Which of the following commands displays the contents of a gzip compressed tar archive?

A.	gzip archive.tgz | tar xvf -
B.	tar ztf archive.tgz
C.	gzip -d archive.tgz | tar tvf -
D.	tar cf archive.tgz


QUESTION 49
Which grep command will print only the lines that do not end with a / in the file foo?

A.	grep '/$' foo
B.	grep '/#' foo
C.	grep -v '/$' foo
D.	grep -v '/#' foo


QUESTION 50
Which of the following commands is used to change options and positional parameters for a running Bash?

A.	history
B.	set
C.	bashconf
D.	setsh
E.	envsetup


QUESTION 51
Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

A.	sed '/bob/Bob' letter > newletter
B.	sed s/bob/Bob/ letter < newletter
C.	sed 's/bob/Bob' letter > newletter
D.	sed 's/bob/Bob/g' letter > newletter
E.	sed 's/bob, Bob/' letter > newletter


QUESTION 52
From a Bash shell, which of the following commands directly executes the instruction from the file /usr/local/ bin/runme.sh without starting a subshell? (Please select TWO answers.)

A.	source /usr/local/bin/runme.sh
B.	. /usr/local/bin/runme.sh
C.	/bin/bash /usr/local/bin/runme.sh
D.	/usr/local/bin/runme.sh
E.	run /usr/local/bin/runme.sh


QUESTION 53
Regarding the command: nice -5 /usr/bin/prog

Which of the following statements is correct?

A.	/usr/bin/prog is executed with a nice level of -5.
B.	/usr/bin/prog is executed with a nice level of 5.
C.	/usr/bin/prog is executed with a priority of -5.
D.	/usr/bin/prog is executed with a priority of 5.


QUESTION 54
Which shell command is used to continue background execution of a suspended command?

A.	&
B.	bg
C.	cont
D.	exec
E.	:&


QUESTION 55
Which of the following shell redirections will write standard output and standard error output to a file named filename?


A.	2>&1 >filename
B.	>filename 2>&1
C.	1>&2>filename
D.	>>filename
E.	1&2>filename


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

A.	c
B.	cc
C.	1c
D.	yy
E.	1y


QUESTION 57
Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose TWO correct answers.)

A.	esc ZZ
B.	ctrl :w!
C.	esc zz
D.	esc :wq!
E.	ctrl XX


QUESTION 58
When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?

A. -10
B.	0
C.	10
D.	20


QUESTION 59
Which of the following commands will reduce all consecutive spaces down to a single space?

A.	tr '\s' ' ' < a.txt > b.txt
B.	tr -c ' ' < a.txt > b.txt
C.	tr -d ' ' < a.txt > b.txt
D.	tr -r ' ' '\n' < a.txt > b.txt
E.	tr -s ' ' < a.txt > b.txt


QUESTION 60
Which character, added to the end of a command, runs that command in the background as a child process of the current shell?

A. !
B. +
C.	&
D.	%
E.	#


QUESTION 61
Which of the following commands will print the last 10 lines of a text file to the standard output?

A.	cat -n 10 filename
B.	dump -n 10 filename
C.	head -n 10 filename
D.	tail -n 10 filename


QUESTION 62
Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file?

A.	fmt -f 1,4 /etc/passwd
B.	split -c 1,4 /etc/passwd
C.	cut -d : -f 1,4 /etc/passwd
D.	paste -f 1,4 /etc/passwd


QUESTION 63
Which of the following signals is sent to a process when the key combination CTRL+C is pressed on the keyboard?

A.	SIGTERM
B.	SIGINT
C.	SIGSTOP
D.	SIGKILL


QUESTION 64
What happens after issuing the command vi without any additional parameters?

A.	vi starts and loads the last file used and moves the cursor to the position where vi was when it last exited.
B.	vi starts and requires the user to explicitly either create a new or load an existing file.
C.	vi exits with an error message as it cannot be invoked without a file name to operate on.
D.	vi starts in command mode and opens a new empty file.
E.	vi starts and opens a new file which is filled with the content of the vi buffer if the buffer contains text.


QUESTION 65
Which of the following command sets the Bash variable named TEST with the content FOO?

A.	set TEST="FOO"
B.	TEST = "FOO"
C.	var TEST="FOO"
D.	TEST="FOO"


QUESTION 66
Which variable defines the directories in which a Bash shell searches for executable commands?

A.	BASHEXEC
B.	BASHRC
C.	PATH


D.	EXECPATH
E.	PATHRC


QUESTION 67
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?

A.	magic
B.	type
C.	file
D.	pmagic
E.	hash


QUESTION 68
Which of the following commands can be used to search for the executable file foo when it has been placed in a directory not included in $PATH?

A.	apropos
B.	which
C.	find
D.	query
E.	whereis


QUESTION 69
What does the command mount -a do?

A.	It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.
B.	It shows all mounted file systems that have been automatically mounted.
C.	It opens an editor with root privileges and loads /etc/fstab for editing.
D.	It ensures that all file systems listed with the option auto in /etc/fstab are mounted.
E.	It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.


QUESTION 70
Which of the following settings for umask ensures that new files have the default permissions -rw-r----- ? A. 0017

B.  0640
C. 0038
D. 0027


QUESTION 71
Which of the following is the device file name for the second partition on the only SCSI drive?

A.	/dev/hda1
B.	/dev/sda2
C.	/dev/sd0a2
D.	/dev/sd1p2


QUESTION 72
In order to display all currently mounted filesystems, which of the following commands could be used? (Choose TWO correct answers.)

A.	cat /proc/self/mounts
B.	free
C.	mount
D.	lsmounts
E.	cat /proc/filesystems


QUESTION 73
Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?

A.	dirname
B.	which
C.	basename
D.	query
E.	whereis


QUESTION 74
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?

A.	tune2fs -d 200 /dev/sda1
B.	tune2fs -c 200 /dev/sda1
C.	tune2fs -i 200 /dev/sda1
D.	tune2fs -n 200 /dev/sda1
E.	tune2fs --days 200 /dev/sda1


QUESTION 75
Which type of filesystem is created by mkfs when it is executed with the block device name only and without any additional parameters?

A.	ext2
B.	ext3
C.	ext4
D.	XFS
E.	VFAT


QUESTION 76
How many fields are in a syntactically correct line of /etc/fstab?

A.	3
B.	4
C.	5
D.	6
E.	7


QUESTION 77
SIMULATION
Which command is used to create and initialize the files used to store quota information? (Specify ONLY the command without any path or parameters.)


QUESTION 78
Which of the following file permissions belong to a symbolic link?

A. -rwxrwxrwx
B. +rwxrwxrwx
C.	lrwxrwxrwx
D.	srwxrwxrwx


QUESTION 79
Creating a hard link to an ordinary file returns an error. What could be the reason for this?

A.	The source file is hidden.
B.	The source file is read-only.
C.	The source file is a shell script.
D.	The source file is already a hard link.
E.	The source and the target are on different filesystems.


QUESTION 80
Which of the following commands creates an ext3 filesystem on /dev/sdb1? (Choose TWO correct answers.)

A.	/sbin/mke2fs -j /dev/sdb1
B.	/sbin/mkfs -t ext3 /dev/sdb1
C.	/sbin/mkfs -c ext3 /dev/sdb1
D.	/sbin/mke3fs -j /dev/sdb1


QUESTION 81
Which of the following commands will change the quota for a specific user?

A.	edquota
B.	repquota
C.	quota -e
D.	quota


QUESTION 82
Which 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?

A.	mod2fs
B.	fsck
C.	tune2fs
D.	mke2fs
E.	fixe2fs


QUESTION 83
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.)

A.	ext3
B.	JFS
C.	ext2
D.	XFS
E.	procfs


QUESTION 84
What is the purpose of the Filesystem Hierarchy Standard?

A.	It is a security model used to ensure files are organized according to their permissions and accessibility.
B.	It provides unified tools to create, maintain and manage multiple filesystems in a common way.
C.	It defines a common internal structure of inodes for all compliant filesystems.
D.	It is a distribution neutral description of locations of files and directories.


QUESTION 85
SIMULATION
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.)


ANSWERS:
--------------------
1	Correct Answer: AD
2	Correct Answer: AC
3	Correct Answer: BCE Section: System Architecture Explanation
4	Correct Answer: cmdline, /proc/cmdline Section: System Architecture Explanation
5	Correct Answer: ABD Section: System Architecture Explanation
6	Correct Answer: CD
7	Correct Answer: B
8	Correct Answer: dmesg, /bin/dmesg Section: System Architecture Explanation
9	Correct Answer: D
10	Correct Answer: D
11	Correct Answer: E
12	Correct Answer: D
13	Correct Answer: A
14	Correct Answer: C
15	Correct Answer: C
16	Correct Answer: BDE
17	Correct Answer: E
18	Correct Answer: C
19	Correct Answer: B
20	Correct Answer: ABD
21	Correct Answer: B
22	Correct Answer: /etc/yum.repos.d, /etc/yum.repos.d/, yum.repos.d, yum.repos.d/
23	Correct Answer: menu.lst, grub.conf, grub.cfg
24	Correct Answer: C
25	Correct Answer: D
26	Correct Answer: update, upgrade
27	Correct Answer: swapoff, /sbin/swapoff
28	Correct Answer: dpkg-reconfigure
29	Correct Answer: C
30	Correct Answer: B
31	Correct Answer: C
32	Correct Answer: D
33	Correct Answer: B
34	Correct Answer: B
35	Correct Answer: D
36	Correct Answer: HUP, SIGHUP, 1 Section: GNU and Unix Commands Explanation
37	Correct Answer: B
38	Correct Answer: C
39	Correct Answer: E
40	Correct Answer: A
41	Correct Answer: D
42	Correct Answer: D
43	Correct Answer: C
44	Correct Answer: A
45	Correct Answer: B
46	Correct Answer: A
47	Correct Answer: HISTFILE
48	Correct Answer: B
49	Correct Answer: C
50	Correct Answer: B
51	Correct Answer: D
52	Correct Answer: AB
53	Correct Answer: B
54	Correct Answer: B
55	Correct Answer: B
56	Correct Answer: D
57	Correct Answer: AD
58	Correct Answer: C
59	Correct Answer: E
60	Correct Answer: C
61	Correct Answer: D
62	Correct Answer: C
63	Correct Answer: B
64	Correct Answer: D
65	Correct Answer: D
66	Correct Answer: C
67	Correct Answer: C
68	Correct Answer: C
69	Correct Answer: D
70	Correct Answer: D
71	Correct Answer: B
72	Correct Answer: AC
73	Correct Answer: E
74	Correct Answer: C
75	Correct Answer: A
76	Correct Answer: D
77	Correct Answer: quotacheck
78	Correct Answer: C
79	Correct Answer: E
80	Correct Answer: AB
81	Correct Answer: A
82	Correct Answer: C
83	Correct Answer: AC
84	Correct Answer: D
85	Correct Answer: 0077, 077