Examen 101 - LPI Chapter 4,5: Managing Files (31 de 50)

Question 1 of 40

1

You type mkdir one/two/three and receive an error message that reads, in part, No
such file or directory. What can you do to overcome this problem? (Select two.)

Select one or more of the following:

Add the --parents parameter to the mkdir command.
Issue three separate mkdir commands: mkdir one, then mkdir one/two, and then
mkdir one/two/three.
Type touch /bin/mkdir to be sure the mkdir program file exists.
Type rmdir one to clear away the interfering base of the desired new directory tree.
Type mktree one/two/three instead of mkdir one/two/three.

Explanation

Question 2 of 40

1

Typing ls -ld wonderjaye reveals a symbolic file mode of drwxr-xr-x. Which of the
following are true? (Select two.)

Select one or more of the following:

wonderjaye is a symbolic link.
wonderjaye is an executable program.
wonderjaye is a directory.
wonderjaye has its SUID bit set.
wonderjaye may be read by all users of the system.

Explanation

Question 3 of 40

1

When should programs be configured SUID root?

Select one of the following:

At all times. This permission is required for executable programs.
Whenever a program should be able to access a device file.
Only when they require root privileges to do their job.
Never. This permission is a severe security risk
Whenever the program file is owned by the root user.

Explanation

Question 4 of 40

1

You see the usrquota and grpquota options in the /etc/fstab entry for a filesystem.
What is the consequence of these entries?

Select one of the following:

Quota support will be available if it’s compiled into the kernel; it will be automatically
activated when you mount the filesystem.
User quotas will be available, but the grpquota option is invalid and will be ignored.
Quota support will be disabled on the filesystem in question.
Nothing. These options are malformed and so will have no effect
Quota support will be available if it’s compiled into your kernel, but you must activate
it with the quotaon command.

Explanation

Question 5 of 40

1

Which of the following commands can be used to summarize the quota information about
all filesystems?

Select one of the following:

repquota
repquota -a
quotacheck
quotacheck –a
edquota -a

Explanation

Question 6 of 40

1

Which of the following file-location commands is likely to take the most time to find a file
that may be located anywhere on the computer (assuming the operation succeeds)?

Select one of the following:

The find command.
The locate command.
The whereis command.
The type command.
They’re all equal in speed.

Explanation

Question 7 of 40

1

What can the type command do that whereis can’t?

Select one of the following:

Identify the command as being for x86 or x86-64 CPUs
Locate commands based on their intended purpose, not just by name
Identify a command as an alias, internal command, or external command
Assist in typing a command by finishing typing it for you
Identify a command as being a binary or a script

Explanation

Question 8 of 40

1

What can you conclude from the following interaction?
$ which man
/usr/bin/man

Select one of the following:

The only file called man on the computer is in /usr/bin.
The /usr/bin/man program was installed by system package tools.
The /usr/bin/man program will be run by any user who types man.
The first instance of the man program, in path search order, is in /usr/bin.
The user man owns the /usr/bin/man program file.

Explanation

Question 9 of 40

1

Which one of the following commands copies files with the .txt extension from /dir into /dir2, while preserving file attributes such as dates?

Select one of the following:

mv --copy /dir1/*.txt /dir2
mv /dir1/*.txt /dir2
cp -k /dir1/*.txt /dir2
cp -p /dir1/*.txt /dir2
cp -p /dir2 < /dir/*.txt

Explanation

Question 10 of 40

1

Which one of the following file globs matches "Linux" and "linux", but not "linux.com" and not "TurboLinux"?

Select one of the following:

[L/linux]
?inux
\L\linux
[Ll]inux
[Ll]inux?

Explanation

Question 11 of 40

1

Which one of the following outcomes results from the following command?
#chmod g+s /home/software

Select one of the following:

The SUID bit will be set for /home/software
The SGID bit will be set for /home/software, preventing access by those not a member of the software group.
The SGID bit will be set for /home/software, in order to keep group membership of the directory consistent for all files created.
The sticky bit will be set for /home/software
The sticky bit will be applied to all files in /home/software.

Explanation

Question 12 of 40

1

Which one of the following commands versosely extracts files from a tar archive on a magnetic tape device?

Select one of the following:

tar cvf /dev/st0
tar cvf /dev/ttyS0
tar xvf /dev/st0
tar xvf /dev/ttyS0
tar rvf /dev/st0

Explanation

Question 13 of 40

1

Which command can be used to quickly tell you if an executable command is in any directory defined in your $PATH environment variable?

Select one of the following:

find
locate
which
who
what

Explanation

Question 14 of 40

1

Which directory, according to he Filesystem Hierarchy Standard, is designed to hold essential system binaries?

Select one of the following:

/sbin
/bin
/usr/bin
/opt/bin
/usr/local/bin

Explanation

Question 15 of 40

1

According to the Filesystem Hierarchy Standard, what directory (or directories) must hold the system kernel? (Select two)

Select one or more of the following:

/boot
/
/opt
/sbin
/kernel

Explanation

Question 16 of 40

1

What command(s) can be used to copy data to and from raw devices, bypassing the filesystem? (Select two)

Select one or more of the following:

cp
tar
dd
mv
sed

Explanation

Question 17 of 40

1

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

Select one of the following:

rmdir '~/\dir'
rmdir "~/\dir"
rmdir ~/'dir'
rmdir ~/\dir
rmdir ~/\\dir

Explanation

Question 18 of 40

1

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

Select one of the following:

dirname
which
basename
query
whereis

Explanation

Question 19 of 40

1

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

Select one of the following:

/usr/share/man
/opt/man
/usr/doc/
/var/pkg/man
/var/man

Explanation

Question 20 of 40

1

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

Select one of the following:

gzip archive.tgz | tar xvf -
tar ztf archive.tgz
gzip -d archive.tgz | tar tvf -
tar cf archive.tgz

Explanation

Question 21 of 40

1

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

Select one of the following:

cat < myapp | cat > file1.log
myapp 0>&1 | cat > file1.log
myapp | cat > file1.log
myapp | tee file1.log
tee myapp file1.log

Explanation

Question 22 of 40

1

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

Select one of the following:

edquota
repquota
quota -e
quota

Explanation

Question 23 of 40

1

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

Select one of the following:

-rwxrwxrwx
+rwxrwxrwx
lrwxrwxrwx
srwxrwxrwx

Explanation

Question 24 of 40

1

What is the output of the following command?
#echo "Hello World" | tr -d aieou

Select one of the following:

Hello World
eoo
Hll Wrld
eoo Hll Wrld

Explanation

Question 25 of 40

1

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?

Select one of the following:

-dirmax
-maxdepth
-maxlevels
-n
-s

Explanation

Question 26 of 40

1

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

Select one of the following:

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

Explanation

Question 27 of 40

1

What does the ? symbol within regular expressions represent?

Select one of the following:

Match the preceding qualifier one or more times
Match the preceding qualifier zero or more times.
Match the preceding qualifier zero or one times.
Match a literal ? character.

Explanation

Question 28 of 40

1

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.)

Select one or more of the following:

find /tmp -uid root -print
find -path /tmp -uid root
find /tmp -user root -print
find /tmp -user root
find -path /tmp -user root print

Explanation

Question 29 of 40

1

Which of the following commands changes the ownership of file.txt to the user dan and the group staff?

Select one of the following:

chown dan/staff file.txt
chown dan:staff file.txt
chown -u dan -g staff file.txt
chown dan -g staff file.txt

Explanation

Question 30 of 40

1

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

Select one of the following:

chmod u=rwx,go=rx /bin/foo
chmod o+rwx,a+rx /bin/foo
chmod 577 /bin/foo
chmod 775 /bin/foo

Explanation

Question 31 of 40

1

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

Select one of the following:

inode
ls
ln
cp

Explanation

Question 32 of 40

1

Which of the following commands are common Linux commands for file management? (Choose three
correct answers.)

Select one or more of the following:

copy
mv
move
cp
mkdir

Explanation

Question 33 of 40

1

Which of the following commands can be used to create a new file that is 100kB in size?

Select one of the following:

dd
file
mkfile
touch

Explanation

Question 34 of 40

1

In compliance with the FHS, in which of the following directories are documentation files found?

Select one of the following:

/usr/share/documentation
/usr/local/share/documentation
/var/share/doc
/usr/share/doc
/etc/share/doc

Explanation

Question 35 of 40

1

Which chown command will change the ownership to dave and the group to staff on a file named
data.txt?

Select one of the following:

chown dave/staff data.txt
chown –u dave –g staff data.txt
chown --user dave --group staff data.txt
chown dave:staff data.txt

Explanation

Question 36 of 40

1

Which of the following is the GRUB 2 boot loader configuration file?

Select one of the following:

/dev/grub
The MBR
/boot/grub/grub.conf
/boot/grub/grub.cfg
/boot/grub/menu.lst

Explanation

Question 37 of 40

1

What program do you use to start or stop services when using the systemd initialization
process?

Select one of the following:

journalctl
systemctl
init
service
systemd

Explanation

Question 38 of 40

1

What is an advantage of vi over graphical text editors?

Select one of the following:

vi is X based, so it is easier to use than other graphical text editors.
vi encodes text in EBCDIC, which is more flexible than Emacs’s ASCII.
vi’s mode-based operations permit it to handle non-English languages.
vi includes a built-in web browser and email client; Emacs doesn’t.
vi is smaller, so it can fit on compact emergency USB flash drive systems and embedded
devices.

Explanation

Question 39 of 40

1

How do you exit vi’s insert mode to type command-mode commands?

Select one of the following:

Press the ~ key.
Press the Esc key.
Press Ctrl+X followed by Ctrl+C.
Press the F10 key.
Press the Shift+Insert key combination.

Explanation

Question 40 of 40

1

What line in /etc/inittab would indicate that your default runlevel is 5?

Select one of the following:

ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now
id:5:initdefault:
si:5:sysinit:/etc/init.d/rcS
l5:5:wait:/etc/init.d/rc 5
1:2345:respawn:/sbin/getty 38400 tty1

	Created by Carlos Alberto Jara Alva almost 7 years ago

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Examen 101 - LPI Chapter 4,5: Managing Files (31 de 50)

Question 1 of 40

You type mkdir one/two/three and receive an error message that reads, in part, No such file or directory. What can you do to overcome this problem? (Select two.)

Select one or more of the following:

Explanation

Question 2 of 40

Typing ls -ld wonderjaye reveals a symbolic file mode of drwxr-xr-x. Which of the following are true? (Select two.)

Select one or more of the following:

Explanation

Question 3 of 40

When should programs be configured SUID root?

Select one of the following:

Explanation

Question 4 of 40

You see the usrquota and grpquota options in the /etc/fstab entry for a filesystem. What is the consequence of these entries?

Select one of the following:

Explanation

Question 5 of 40

Which of the following commands can be used to summarize the quota information about all filesystems?

Select one of the following:

Explanation

Question 6 of 40

Which of the following file-location commands is likely to take the most time to find a file that may be located anywhere on the computer (assuming the operation succeeds)?

Select one of the following:

Explanation

Question 7 of 40

What can the type command do that whereis can’t?

Select one of the following:

Explanation

Question 8 of 40

What can you conclude from the following interaction? $ which man /usr/bin/man

Select one of the following:

Explanation

Question 9 of 40

Which one of the following commands copies files with the .txt extension from /dir into /dir2, while preserving file attributes such as dates?

Select one of the following:

Explanation

Question 10 of 40

Which one of the following file globs matches "Linux" and "linux", but not "linux.com" and not "TurboLinux"?

Select one of the following:

Explanation

Question 11 of 40

Which one of the following outcomes results from the following command? #chmod g+s /home/software

Select one of the following:

Explanation

Question 12 of 40

Which one of the following commands versosely extracts files from a tar archive on a magnetic tape device?

Select one of the following:

Explanation

Question 13 of 40

Which command can be used to quickly tell you if an executable command is in any directory defined in your $PATH environment variable?

Select one of the following:

Explanation

Question 14 of 40

Which directory, according to he Filesystem Hierarchy Standard, is designed to hold essential system binaries?

Select one of the following:

Explanation

Question 15 of 40

According to the Filesystem Hierarchy Standard, what directory (or directories) must hold the system kernel? (Select two)

Select one or more of the following:

Explanation

Question 16 of 40

What command(s) can be used to copy data to and from raw devices, bypassing the filesystem? (Select two)

Select one or more of the following:

Explanation

Question 17 of 40

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

Select one of the following:

Explanation

Question 18 of 40

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

Select one of the following:

Explanation

Question 19 of 40

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

Select one of the following:

Explanation

Question 20 of 40

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

You type mkdir one/two/three and receive an error message that reads, in part, No
such file or directory. What can you do to overcome this problem? (Select two.)

Typing ls -ld wonderjaye reveals a symbolic file mode of drwxr-xr-x. Which of the
following are true? (Select two.)

You see the usrquota and grpquota options in the /etc/fstab entry for a filesystem.
What is the consequence of these entries?

Which of the following commands can be used to summarize the quota information about
all filesystems?

Which of the following file-location commands is likely to take the most time to find a file
that may be located anywhere on the computer (assuming the operation succeeds)?

What can you conclude from the following interaction?
$ which man
/usr/bin/man

Which one of the following outcomes results from the following command?
#chmod g+s /home/software

What is the output of the following command?
#echo "Hello World" | tr -d aieou

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.)

Which of the following commands are common Linux commands for file management? (Choose three
correct answers.)

Which chown command will change the ownership to dave and the group to staff on a file named
data.txt?

What program do you use to start or stop services when using the systemd initialization
process?