Last Updated on April 29, 2018 by Admin
Linux Essentials Chapter 13 Exam Answer
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Question ID 197
Which files contain user account information?
(choose two)
- /etc/passwd
- /etc/shadow
- /etc/group
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Question ID 198
Which user can view the /etc/shadow file?
- The root user
- Any member of the password group
- All users
- No users
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Question ID 199
Which command will display the UID, GID and groups your current user belongs to?
- id
- who
- whoami
- about
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Question ID 200
Each user belongs to at least one group.
True or False?
- True
- False
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Question ID 201
Which command will display the users that are currently logged in to the system?
- whoami
- about
- who
- id
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Question ID 202
The sudo command allows regular users to…
- …run any command as root, after providing the sudo password.
- …run certain commands as the root user.
- …run any command as root, after providing the root password.
- …run any commands as a system account without logging in.
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Question ID 203
The /etc/sudoers file should be edited directly by root using the visudo command.
True or False?
- True
- False
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Question ID 204
Which of the following commands will allow you to switch to the user, branch?
(choose three)
- sudo branch
- su – branch
- su -l branch
- su branch
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Question ID 205
The visudo command uses which text editor by default?
- vi
- nano
- pico
- gedit
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Question ID 206
Which of the following commands will display the group(s) a user belongs to?
- group
- id
- all
- whoami
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Question ID 207
Which of the following commands will display the groups that the user bob belongs to?
(choose one)
- groups -a
- id bob
- group bob
- all bob
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Question ID 208
The /etc/group file follows what structure?
- groups -a
- user:group
- group:GID:user_list
- group_name:password_placeholder:GID:user_list
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Question ID 209
A GID is associated with a group name.
True or False?
- True
- False
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Question ID 210
A user can belong to…
- Only five groups
- Only one group
- At least 16 groups
- Only groups with a GID over 500
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Question ID 212
Sudo privileges can be used to specify which user can use the sudo command to execute commands as other users.
True or False?
- True
- False
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Question ID 213
In distributions that do not allow the root user to login directly or via the su command, the installation process automatically configures one user account to be able to use the sudo command to execute commands as if they were executed by the root user.
True or False?
- True
- False
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Question ID 214
Which of the following commands will display how long the system has been running since the last boot?
(choose two)
- id
- w
- who
- uptime
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Question ID 215
The /etc/shadow file contains plain-text passwords.
True or False?
- True
- False
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Question ID 216
Which command can be used to view the /etc/passwd file entries?
- getent
- uppasswd
- uptime
- getpasswd