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 DACL is the portion of a Windows security descriptor that the object's owner controls, specifying which trustees have access and the type of access permitted.

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

A SACL specifies the types of access attempts that generate audit log entries, enabling security monitoring and compliance tracking in Windows environments.

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

Octal 644 grants the owner read and write (6), and grants group and others read-only access (4), which is the standard for most configuration files.

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

Permission propagation in NTFS is the automatic inheritance mechanism by which a parent folder's permissions cascade down to its child files and subfolders.

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

Named user ACL entries, set with `setfacl -m u:username:permissions`, allow distinct permissions to be assigned to multiple individual users on a single file beyond the standard owner/group/others model.

(ACL) Access Control Lists Practice Test

(ACL) Access Control Lists Practice Test

ACL ACL File System & OS Permissions 3