Practice - 5 Tasks
Answer the questions below
1fill in blank
easyComplete the code to identify what ACL stands for.
Operating Systems
ACL stands for [1].
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing ACL with command line or network terms.
Thinking ACL is a software or hardware component.
✗ Incorrect
ACL means Access Control List, which is a way to define who can access what on a system.
2fill in blank
mediumComplete the sentence to explain what ACLs do.
Operating Systems
ACLs are used to [1] access to files or resources.
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing 'ignore' because it sounds like skipping.
Confusing control with copying or deleting.
✗ Incorrect
ACLs control who can read, write, or execute files or resources.
3fill in blank
hardFix the error in the statement about ACLs.
Operating Systems
An ACL only allows one user to access a file at a time, so it [1] multi-user access. Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Thinking ACLs block multi-user access.
Confusing ACLs with file locking mechanisms.
✗ Incorrect
ACLs allow multiple users to have different permissions on the same file.
4fill in blank
hardFill both blanks to complete the ACL entry example.
Operating Systems
user:[1]:[2]
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Swapping username and permission.
Using a username that is not in the options.
✗ Incorrect
This ACL entry means user 'alice' has 'read' permission.
5fill in blank
hardFill all three blanks to create a valid ACL rule.
Operating Systems
[1]:[2]:[3]
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Mixing up 'user' and 'group' in the first blank.
Choosing a permission not listed in options.
✗ Incorrect
This ACL rule means user 'developers' has 'execute' permission.