ACL ACL File System & OS Permissions 3

Question 1

What is a Discretionary Access Control List (DACL) in Windows security?

Accepted Answer

An ACL that the object owner can modify to control access by users and groups

Answer

A list of system-defined rules that cannot be modified by users

Answer

A mandatory access control list enforced by the OS kernel

Answer

A list of denied users maintained by the domain controller

Question 2

What is a System Access Control List (SACL) used for in Windows?

Accepted Answer

Auditing and logging access attempts to secured objects

Answer

Controlling which users can log into the system

Answer

Defining system-level file permissions for administrators

Answer

Managing network access to shared resources

Question 3

Which Linux file permission octal value grants the owner read and write access while allowing only read access to group and others?

Accepted Answer

644

Answer

755

Answer

777

Answer

700

Question 4

In NTFS, what does 'propagation of permissions' refer to?

Accepted Answer

Automatic application of parent folder permissions to child objects via inheritance

Answer

Manually copying permissions from one object to another

Answer

Distributing permissions across multiple network shares

Answer

Synchronizing permissions between domain controllers

Question 5

Which Linux ACL feature allows setting different permissions for multiple individual users on the same file?

Accepted Answer

Named user ACL entries configured via setfacl

Answer

chmod with multiple flags

Answer

Group ownership changes with chgrp

Answer

Umask configuration in the shell profile

Question 6

What does running `getfacl -R /data` accomplish on a Linux system?

Accepted Answer

Recursively displays the ACL entries for all files and directories under /data

Answer

Resets all ACLs under /data to default values

Answer

Removes named user ACL entries from /data and its subdirectories

Answer

Generates a report of files with no ACL entries under /data