Linux Essentials Chapter 14 Exam

Linux Essentials Chapter 14 Exam Answer

  1. Question ID 217

    UIDs 1-500 are usually reserved for what kind of users?

    • System accounts, such as server processes
    • Are not used for user accounts, but for group accounts
    • Log-in (human) users
    • Remote log-in accounts
  2. Question ID 218

    If a user is deleted, the files and directories that the user owned…

    • …will show a UID as the owner, but not user name.
    • …will have no UID owner.
    • …are deleted as well.
    • …will have no user owner.
  3. Question ID 219

    Which of the following options for the useradd command allows root to specify the UID to be associated with the account?

    • -U
    • -u
    • -G
    • -g
  4. Question ID 220

    Which of the following options for the useradd command allows root to specify supplementary groups the user will be a member of?

    • -G
    • -u
    • U
    • -g
  5. Question ID 221

    On a system that does not use UPG, the useradd command will also create a user group. For example, user bob, group bob.

    True or False?

    • True
    • False
  6. Question ID 222

    The useradd command will create a home directory by default for a user.

    True or False?

    • True
    • False
  7. Question ID 223

    The usermod command can be used to do all of the following except…

    • …add a user to a supplementary group.
    • …change the user’s MAX and MIN password settings.
    • …change the user’s home directory.
    • …change the user’s UID and GID.
  8. Question ID 224

    Which of the following commands will add the group extra to the user bob’s secondary groups in addition to bob’s current secondary groups?

    • usermod -G extra bob
    • usermod -a extra bob
    • usermod -aG extra bob
    • usermod -ag bob extra
  9. Question ID 225

    Which option for the usermod command can be used to specify a user’s group ID (either primary or secondary)?

    (choose two)

    • -g
    • -G
    • -s
    • -S
  10. Question ID 226

    For non-root users, the passwd command can only be used to change the password of the user running the command.

    True or False?

    • True
    • False
  11. Question ID 227

    The userdel command will…

    • …delete the user account, but leave the user’s files by default.
    • …will prompt before deleting each file owned by a user.
    • …automatically delete a user and the user’s home directory and its contents.
    • …automatically delete a user and all the files owned by that user.
  12. Question ID 228

    The groupmod command can be used to change a group name.

    True or False?

    • True
    • False
  13. Question ID 229

    The groupmod command can be used to change a group GID.

    True or False?

    • True
    • False
  14. Question ID 230

    The groupmod command can be used to add users to a group.

    True or False?

    • True
    • False
  15. Question ID 231

    Which of the following commands can be used to modify a group?

    • groupadd
    • modgroup
    • addgroup
    • groupmod
  16. Question ID 232

    Which command can be used to determine a user’s most recent log in?

    • last
    • history
    • shell
    • login
  17. Question ID 233

    Which of the following files contains encrypted user password information?

    • /etc/usr
    • /etc/shadow
    • /etc/passwd
    • /etc/group
  18. Question ID 234

    Which of the following files contains user IDs?

    • /etc/group
    • /etc/shadow
    • /etc/usr
    • /etc/passwd
  19. Question ID 235

    Which of the following files does the groupadd command use to determine the new GID when a GID isn’t specified?

    • /etc/shadow
    • /etc/group
    • /etc/passwd
    • /etc/usr
  20. Question ID 236

    Which of the following commands, run as root, will prevent the user bob from logging in?

    • usermod -d bob
    • usermod -l bob
    • usermod -D bob
    • usermod -L bob
  21. Question ID 673

    What directory contains user’s home directories?

    • /
    • /home
    • /rootfs
    • /user

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