How can additional permissions be given to a user without editing the profile itself? Choose two

How can additional permissions be given to a user without editing the profile itself? Choose two

answers.
A . permission set
B . delegated administration
C . sharing rule
D . role hierarchy

Answer: A,B

Explanation:

http://help.salesforce.com/HTViewHelpDoc?id=defining_delegated_administrators.htm&language=en_US https://help.salesforce.com/HTViewHelpDoc?id=perm_sets_overview.htm&language=en_U S