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operating systems Online Quiz - 19

Description: operating systems Online Quiz - 19
Number of Questions: 20
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Tags: operating systems
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Which command can be used to verify that all logical volumes in volume group datavg are mirrored?

technology operating systems

  1. lsvg -l datavg

  2. lslv -m datavg

  3. lslv -p datavg

  4. lsvg -p datavg

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Correct Option: A

A System p administrator plans to install a new system with AIX 5.3 TL5 using a NIM server. Which of the following is required?

technology operating systems

  1. NIM server must be at same AIX version and TL or higher.

  2. NIM server must at the same AIX version

  3. New server must have existing AIX installation.

  4. NIM server must be at least at AIX 5.2 and ML9

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Correct Option: A

A system administrator issued the errpt command and had no results. The system administrator determined that error logging was turned off. Which of the following commands would start logging system errors?

technology operating systems

  1. /usr/lib/errstart

  2. /usr/lib/errlogger

  3. /usr/bin/errmsg

  4. /usr/lib/errdemon

Show answer
Correct Option: D

A System p adminstrator has a new application that requires AIX 5.3, technology level 6 and service pack 2. Which of the following will display the currently installed service pack level?

technology operating systems

  1. lslpp -L

  2. oslevel -s

  3. uname -v

  4. instfix -r

Show answer
Correct Option: B

Which of the following commands calls rc.net during the second boot phase to initialize and start TCP/IP interfaces?

technology operating systems

  1. init

  2. rc

  3. cfgmgr

  4. inittab

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Correct Option: C

For application navigation, you use Frame and Page controls.

technology operating systems

  1. True

  2. False

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Correct Option: A

Indicate the correct statement

technology operating systems

  1. PhoneApplicationPages contain PhoneApplicationFrames

  2. PhoneApplicationFrames contain PhoneApplicationPages

  3. Canvas contains a PhoneApplicationPage

  4. Grid Contains a PhoneApplicationFrame

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Correct Option: A

which command is used to exit the single user mode ?

technology operating systems

  1. exit

  2. init 5

  3. init 3

  4. init 2

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Correct Option: A,B,C

which command is used to list the contens of the tar file ?

technology operating systems

  1. tar –tvf newfile.tar

  2. tar –xvf newfile.tar

  3. tar –cvf newfile.tar

  4. tar -avf newfile.tar

Show answer
Correct Option: A

Which command is used to count the no of characters in a file?

technology operating systems

  1. wc -m

  2. wc -l

  3. wc -s

  4. wc -w

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Correct Option: A

Which directory contains the configuration files?

technology operating systems

  1. /boot

  2. /root

  3. /etc

  4. /bin

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Correct Option: C

Which of the following runlevel boots Linux in Single user mode?

technology operating systems

  1. init 0

  2. init 1

  3. init 2

  4. init 3

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Correct Option: B

What is the command used to create user account?

technology operating systems

  1. usercreate

  2. createuser

  3. adduser

  4. useradd

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Correct Option: D

How will you find the files that are accessed/edited before a day?

technology operating systems

  1. find -mtime -24

  2. find -mday -1

  3. find -mday +1

  4. find -mtime -1

Show answer
Correct Option: D

What will the following command do? echo *

technology operating systems

  1. It is similar to 'ls -a' command and displays all the hidden files in the current directory

  2. displays all the files in the /etc directory

  3. displays all the files in the root

  4. It is similar to 'ls' command and displays all the files in the current directory

Show answer
Correct Option: D

How will you restrict the incoming message?
technology operating systems

  1. mesp

  2. mesn

  3. mesk

  4. mesg

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Correct Option: D

How will the kernal differentiate the ordinary files and device files?
technology operating systems

  1. using the temp filed in the file's inode

  2. using the id filed in the file's inode

  3. using the type filed in the file's inode

  4. using the type filed in the directory's inode

Show answer
Correct Option: C

How will you substitute the strings in a file using SED?

technology operating systems

  1. s/old/new/l

  2. s/old/new/g

  3. s/new/old/g

  4. s/old/new/f

Show answer
Correct Option: B

How will you change the ownership of the file and group?

technology operating systems

  1. chown user:group file

  2. chgrp user:group file

  3. chown group:user file

  4. chgrp group:user file

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Correct Option: A

what is the use of chroot command?

technology operating systems

  1. Runs a command with a different root directory

  2. Runs a command with a same root directory

  3. Runs a command in root directory

  4. Runs a command with a different /opt directory

Show answer
Correct Option: A
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