Which command help user1 to use enable,disable,exit&etc commands?

Which command help user1 to use enable,disable,exit&etc commands?
A . catalyst1(config)#username user1 privilege 0 secret us1pass
B . catalyst1(config)#username user1 privilege 1 secret us1pass
C . catalyst1(config)#username user1 privilege 2 secret us1pass
D . catalyst1(config)#username user1 privilege 5 secret us1pass

View Answer

Answer: A