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4

Which exact command is used to down interface eth0 in the Linux operating system?

A. ifconfig down eth0

B. ifdown eth0

C. down eth0

D. ifconfig -d eth0

Correct Answer :

B. ifdown eth0


The ifdown eth0 command is used to down the eth0 interface port.

Related Questions

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4

Which exact command is used to assign all read, write and execute permission to all owners of a file?

A. chmod 7

B. chmod 777

C. chown 777

D. chgrp 777

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4

In which year vi editor was developed?

A. 1976

B. 1980

C. 1982

D. 1988

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4

Which of the following statements are the correct about XXXsed command?
a) The sed command is used to display modified data on the console screen, actual data in the file remain the same.
b) The sed command is used to modify the data of a file permanently.
c) The regular expressions are used to display modified data of a file in the sed command.
d) The sed command does not use regular expressions.
Options:

A. A and C

B. A and D

C. B and C

D. B and D

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4

Which of the following Linux distribution does not follow the File Hierarchy System?
a) Ubuntu
b) GoboLinux
c) NixOS
d) Redhat
Options:

A. A and B

B. A and C

C. B and C

D. B and D

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4

There are the following statements that are given below, which of them are correct about touch command in Linux?
a) It is used to create empty files.
b) It is used to update the timestamp of the existing file.
c) It is used to write formatted data into the file.
d) It is used to view the content of the file.
Options:

A. A and B

B. B and C

C. A, B, and C

D. A, B, C, and D

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4

Which exact command is used to remove a directory with its sub-directories?

A. rmdir -a

B. rmdir -p

C. rmdir -s

D. rmdir -k

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4

Which of the following command is used to display the last executed commands list?

A. lastcmd

B. last

C. history

D. chistory

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4

There are the following statements that are given below which of them are correct about piping in the Linux operating system?
a) The piping the process which is used to redirect the output of one command to another command as an input.
b) We use the pipe (|) operator to perform piping.
c) The piping is not supported in Linux; it works only in the UNIX operating system.
d) None of the above
Options:

A. Only A

B. Only B

C. A and B

D. A and C

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4

Which command is used to get the path of the current directory?

A. cdir

B. dir

C. pwd

D. pdir

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4

Which of the following command is used to display the calendar?

A. cal

B. calendar

C. calen

D. cln

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4

There are the following statements that are given below which of them are correct about the ss command in the Linux operating system?
a) The ss command is the replacement for the netstat command.
b) It is faster than the netstat command.
c) We can display all UDP and TCP socket connections using ss command.
d) The ss can display all TCP socket connections only.
Options:

A. A and B

B. A and C

C. A, B, and C

D. A, B, and D

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4

Which command is used to enable/disable password for a particular user?

A. usermod

B. userenable

C. userdisable

D. change

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4

Which of the following commands are used to switch from command mode to insert mode in the vi editor?
a) i
b) a
c) o
d) O
Options

A. A and B

B. A and C

C. A, C, and D

D. A, B, C, and D

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4

How can we see the compression ratio of a file?

A. Using -c option of gzip command

B. Using -r option of gzip command

C. Using -l option of gzip command

D. Using -cr option of gzip command

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4

Which of the following commands are used to kill a running process in the Linux system?
a) kill
b) killall
c) pkill
d) xkill
Options:

A. A and B

B. A, B, and C

C. A, C, and D

D. A, B, C, and D

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4

Which of the following operator is used to store the exit code of a previous command?

A. $?

B. %$

C. ?&

D. ?@

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4

There are the following statements that are given below, which of them are correct system libraries in Linux operating system?
a) System libraries are a special program.
b) We can use kernel functionalities using system libraries.
c) System libraries are user programs.
d) System libraries used system calls.
Options:

A. A and B

B. B and C

C. A, B, and D

D. A, B, and C

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4

Which of the following commands are used to create files in the Linux Operating System?
a) cat
b) echo
c) touch
d) printf
Options:

A. A and B

B. C and D

C. A, B, and C

D. A, B, C, and D

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4

The Linux Kernel is used to?

A. Manage hardware components

B. Execute user programs

C. Save database files

D. All of the above

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4

Which of the following option is used to mention delimiter in the cut command?

A. -del

B. -d

C. -delmiter

D. -delm

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4

The /opt directory comes in which category of directories?

A. Binary directories

B. Data directories

C. Variable directories

D. Memory directories

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4

Who was developed the vi editor?

A. Bill joy

B. James gosling

C. Andy Bechtolseim

D. Scott G. McNealy

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4

Which of the following signal is used to PAUSE and STOP the processes?

A. SIGSTOP

B. SIGSTP

C. SIGPAUSE

D. SIGPS

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4

What is the full form of MTU?

A. Maximum Transmission Unit

B. Minimum Transmission Unit

C. Multiple Transmission Unit

D. Minimum Transactional Unit

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4

There are the following options that are given below, which of them are correct Linux distributions?
a) Red Hat
b) Ubuntu
c) Arch Linux
d) Fedora
Options:

A. A and B

B. A and D

C. B and D

D. A, B, C, and D

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4

There are the following commands that are given below, which of them are correct locate command in the Linux operating system?
a) The locate command is also used to search a file.
b) The locate command searches the file into the database.
c) The locate command slower than find command.
d) The locate command search file in MySQL database only.
Options:

A. A and B

B. A and C

C. A, B, and C

D. A, B, C, and D

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4

In the cut command, a delimiter can be?
a) Hyphen
b) Space
c) Slash
d) All of the above
Options:

A. A

B. B

C. C

D. D

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4

Which of the following types of regular expressions are used in the Linux operating system?
a) Basic Regular Expression
b) Extended Regular Expression
c) Crond Regular Expression
d) Perl Regular Expression
Options:

A. A and B

B. A, B, and D

C. A, B, and C

D. A, B, C, and D

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4

What is the default UID of root user in the Linux operating system?

A. 0

B. 1

C. 2

D. 3

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4

Which of the following character is used for execute permissions in the Linux operating system?

A. e

B. x

C. E

D. None