Linux certification sample question paper with answer set 14

Linux certification sample question paper with answer set 14

  • The httpd service is enabled in the runlevel 5 but it is not running. How will the problem resolve?
    • can not be solved
    • in runlevel 5 it does not run
    • change run level
    • start the service http

    Answer — start the service http

  • Which command is used to create vfat filesystem on a re writable CDROM?
    • mkfs -t vfat /dev/cdrom
    • mkfs.vfat /dev/cdrom
    • both of above
    • none of above

    Answer — both of above

  • Which directory contains entry for the logical volume group lvol0 created by a user in the volume group vol_grp?
    • No directory has the entry
    • /dev/vol_grp
    • /home/vol_grp
    • /sys/vol_grp

    Answer — /dev/vol_grp

  • What is full form of yum?
    • Yellow dog updater modified
    • Yellow umbrella
    • Yellow updater modified
    • Yellow software updater modified

    Answer –Yellow dog updater modified

  • How will you check the status of the automount daemon?
    • /etc/rc.d/init.d/autofs status
    • /etc/init.d/autofs status
    • /etc/rc.d/init.d/automount status
    • /etc/rc.d/init.d/autofs – -status

    Answer –/etc/init.d/autofs status

  • Which is a valid rpm command?
    • rpm i
    • rpm u
    • rpm s
    • rpm -i

    Answer — rpm -i

  • What is the difference between the commands tar xvf and tar xvfz?
    • No difference
    • xvfz compresses a .tar file but xvf uncompress a .tar file
    • xvfz uncompress a .tar.gz file but xvf uncompress a .tar file
    • xvfz is verbose mode of command xvf

    Answer — xvfz uncompress a .tar.gz file but xvf uncompress a .tar file

  • Which command is used to change password of a group?
    • grpasswd
    • grppasswd
    • gpasswd
    • gpassword

    Answer — gpasswd

  • A user wants to list the space used up by files and subdirectories of his home directory. What should he do?
    • Check each file size and subdirectory size
    • Ask the system administrator
    • du /home/user
    • df /home/user

    Answer — du /home/user

  • Which command shows the virtual memory statistics of a system?
    • Iostat
    • Vmstat
    • Virtual
    • All of these

    Answer — vmstat

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