OCP认证考试052新加的考试题和答案整理-第21题

A) A role can be password-protected.

B) A role can be granted to another role.

C) Only one default role can be granted to a user.

D) A role can be granted only multiple system privileges not multiple object privileges.

E) A role can be created only by a user with the SYSDBA privilege.

Answer:AB

OCP认证考试052新加的考试题和答案整理-第21题

原文：http://blog.51cto.com/13854012/2149872