Examen Simulacro I - Linux Essentials

Question 1

Question

Which of the following commands can be used to determine the time of the last login of a given user?

Answer

Showlog
Recent
history
last

Question 2

Question

Which of the following commands is used to lookup the current IP address of a system?

Answer

Ifconfig
Sysinfo | grep ipaddress
Ipconfig
Showip

Question 3

Question

Where is the BIOS located?

Answer

Motherboard
Hard drive
LCD Monitor
RAM

Question 4

Question

Which permissions should be given to a file that needs to be opened and edited by the file's owner and opened read-only by the file's group?

Answer

0640
0444
0466
0540

Question 5

Question

You have a program called /user/bin/foo. You wish to create a symbolic link, /home/user/bin/foo, that points to it. Which command will do this task?

Answer

Ln -sys /home/user/foo /user/bin/foo
Ln -s /user/bin/foo /home/user/foo
Ln /user/bin/foo /home/user/foo
Ln /home/user/foo /user/bin/foo

Question 6

Question

What keyword is missing from the following segment of the shell script?for i in*;----cat $idone

Answer

Do
Endo
Then
Fi

Question 7

Question

What is the command that will show system boot time messages?

Answer

Display system boot
Messages
dmesg
lspci

Question 8

Question

Which of the following is a Linux based operating system for use on mobile devices?

Answer

Android
CentOS
Debian
Fedora

Question 9

Question

Which network interface always exists in a Linux system?

Answer

wlan0
lo
vlan0
eth0

Question 10

Question

Which command shows if /usr/bin is in the current shell search path?

Answer

cat $PATH
echo %PATH
echo $PATH
echo %PATH%

Question 11

Question

What is the number called that is used to identify a process?

Answer

Process Entry
PIN
PID
Proc Num

Question 12

Question

Which one of the following statements concerning Linux passwords is true?

Answer

Passwords are only stored in encrypted form
Passwords may never start with a non-letter
Passwords may be at most six characters long
Users cannot change their password once it has been set

Question 13

Question

What are the three sets of permission for a file?

Answer

Administrator, standard user, others
Administrator, group, others
User, group, others
User, standard user, others

Question 14

Question

Which of the following will change the group that is associated with a file?

Answer

chmod
chmod -w
chown
ls -g

Question 15

Question

While deleting all files beginning with the letter a there was still the file Access.txt left. Assuming that it had the correct ownership, why was it not deleted?

Answer

Linux file names are case sensitive
Rm had to be called with the option -R to delete all files
Files with extensions need a different treatment
The file Access.txt was hidden

Question 16

Question

Which of the following programs is not a graphical web browser?

Answer

Chrome
Links
Konqueror
Firefox

Question 17

Question

What is the output of the following command?tail -n 20 test.txt

Answer

The last 20 lines of test.txt including the black lines
The last 20 lines of test.txt omitting the black lines
The last 20 lines of test.txt with line numbers
The first 20 lines of test.txt

Question 18

Question

Which of the following commands will display a list of all files in the current directory, including those that may be hidden?

Answer

ls -a
ls --hidden
ls -h
ls --a

Question 19

Question

Which command will display the last line of the file foo.txt?

Answer

last -n 1 foo.txt
head -n foo.txt
tail -n 1 foo.txt
tail foo.txt

Question 20

Question

Which Linux distribution is used as a basis for the creation of Ubuntu Linux?

Answer

Debian Linux
Red Hat Linux
SUSE Linux
Gentoo Linux

Question 21

Question

Which command is used to make a shell variable known to subsequently executed programs?

Answer

export
Announce
env
mv

Question 22

Question

Which command displays the list of groups to which a user belongs?

Answer

Id
Whoami
Isgroup
Who

Question 23

Question

Which of the following hardware devices links a number of computers together to form an Ethernet LAN?

Answer

Switch
Access point
Terminal
Server

Question 24

Question

Which of the following commands can be used to extract files from an archive?

Answer

tar -evf
tar -vf
tar -v
tar -xvf

Question 25

Question

Which of the following commands can be used to view a file and do search operations within it while viewing the contents?

Answer

less
grep
report
find

Question 26

Question

What is the first character for a file or directory names if they should not be displayed by commands such as ls unless specifically requested?

Answer

_ (underscore)
- (minus)
\ (backslash)
. (dot)

Question 27

Question

Which command line can be used to search help files that mention the word "copy"?

Answer

copy help
man l-k copy
whatis copy
copy -help

Question 28

Question

Which of the following software packages is an email server?

Answer

Apache
MySQL
Postfix
GIMP

Question 29

Question

Which of the following can be used to access the command line?

Answer

Firefox
BIOS
Terminal
XWindow

Question 30

Question

After installing a new package, in which directory are you most likely find its configuration file?

Answer

/etc
/conf
/usr
/lib

Question 31

Question

Why is the file data.txt empty after executing sort data.txt > data.txt?

Answer

Because the file gets truncated before the sort is executed
Because sort cannot sort text files, only binary files
Because sort detects that both files are the same
Because, if data.txt is empty now, it must have been empty before

Question 32

Question

Which option will cause the echo command NOT to output a trailing newline?

Answer

-e
-n
-p
-s

Question 33

Question

Which of the following statements concerning the General Public License (GPL) is true?

Answer

The GPL is designed to ensure that the source code of a software remains freely available
The GPL is identical to the BSD license
GPL software may never be sold for money
If you changed a program you received under the GPL, you must send your changes to the original author for approval

Question 34

Question

Identify the proper device for the third partition, on the second hard disk, on the first IDE controller on a PC system.

Answer

/dev/hdb3
/dev/hd1b3
/dev/hdc1d2p3
Dev/hdc1a3

Question 35

Question

Which command lists all files in the current directory that starts with a capital letter?

Answer

ls -uppercase-files
ls A-Z
ls A-Z*
ls [A-Z]*

Question 36

Question

How can the normal output of a command be written to a file while discarding the error output?

Answer

Command>2>discard-error>file
Command>2>file &1>/dev/null
Command /dev/null
Command> file2>/dev/null

Question 37

Question

Which of the following Ubuntu releases is considered most stable and fit to use for business purposes?

Answer

LTS
Ubuntu Vanilla
Xubuntu
Kubuntu

Question 38

Question

The following file is found in which system file? root:x:0:0::/root:/bin/bash

Answer

/etc/passwd
/usr/bin/shadow
/etc/shadow
/etc/password

Question 39

Question

Which is a suitable command to find the next appearance of the word hidden in a man page being viewed from the command line?

Answer

/hidden
/? hidden
CTRL-F hidden
Find hidden

Question 40

Question

Incoming SSH connections are accepted by the sshd daemon on which default port?

Answer

	Created by Carlos Alberto Jara Alva almost 2 years ago

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Examen Simulacro I - Linux Essentials

Description

Resource summary

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30

Question 31

Question 32

Question 33

Question 34

Question 35

Question 36

Question 37

Question 38

Question 39

Question 40

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