A user needs to run a command as root but does not know the root password. The user's account is in the sudoers file. What should the user do?

Ask the administrator for the root password.

Use sudo followed by the command, entering their own password when prompted.

Use su followed by the command, entering the root password.

Use su - and enter their own password.

What is the primary role of a system user account in Linux?

To serve as the administrative superuser

To manage file ownership for regular users

To run services and daemons with limited privileges

To provide a login account for human users

LPI Linux Essentials (010-160)

Domain 5Objective 1

5.1 Basic Security and Identifying User Types (weight: 2) LINUX-ESSENTIALS Practice Questions (Page 3)

Part of the Topic 5: Security and File Permissions domain, which makes up ~17% of our current practice bank. Linux Professional Institute does not publish an official question count, but from its 60-minute exam (~25–40 total, ~4–7 in this domain), expect 1–2 from this objective — we provide 28 practice questions to prepare you well beyond it. (estimate)

28questions here

6free pages

6concepts

Questions 11–15

11foundation · easy
Which command displays the username of the current user?
Select an answer first
12foundation · easy
Which command provides detailed information about the current user, including UID and group memberships?
Select an answer first
13application · medium
A user needs to run a command as root but does not know the root password. The user's account is in the sudoers file. What should the user do?
Select an answer first
14application · easy
An admin needs to find out which users are currently logged into the system and from where. Which command should they use?
Select an answer first
15foundation · easy
What is the primary role of a system user account in Linux?
Select an answer first

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5.1 Basic Security and Identifying User Types (weight: 2) LINUX-ESSENTIALS Practice Questions (Page 3)

Questions 11–15

Which command displays the username of the current user?

Which command provides detailed information about the current user, including UID and group memberships?

A user needs to run a command as root but does not know the root password. The user's account is in the sudoers file. What should the user do?

An admin needs to find out which users are currently logged into the system and from where. Which command should they use?

What is the primary role of a system user account in Linux?

Keep studying — Topic 5: Security and File Permissions