Last Updated on May 25, 2018 by Admin
Linux Essentials Chapter 14 Exam Answer
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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
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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.
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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
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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
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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
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Question ID 222
The useradd command will create a home directory by default for a user.
True or False?
- True
- False
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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.
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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
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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
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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
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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.
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Question ID 228
The groupmod command can be used to change a group name.
True or False?
- True
- False
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Question ID 229
The groupmod command can be used to change a group GID.
True or False?
- True
- False
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Question ID 230
The groupmod command can be used to add users to a group.
True or False?
- True
- False
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Question ID 231
Which of the following commands can be used to modify a group?
- groupadd
- modgroup
- addgroup
- groupmod
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Question ID 232
Which command can be used to determine a user’s most recent log in?
- last
- history
- shell
- login
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Question ID 233
Which of the following files contains encrypted user password information?
- /etc/usr
- /etc/shadow
- /etc/passwd
- /etc/group
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Question ID 234
Which of the following files contains user IDs?
- /etc/group
- /etc/shadow
- /etc/usr
- /etc/passwd
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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
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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
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Question ID 673
What directory contains user’s home directories?
- /
- /home
- /rootfs
- /user