OCP题库变了，052新考题及答案整理-第21题
随着4月份oracle对ocp认证的调整，考试难度大了很多，考试形式多变，而且还不断的加入新题，这样不稳定的题库让很多考生在拿证过程中失利，这里整理总结了一些ocp 052新的考题，希望对大家有帮助。
21、 Which two are true about roles?
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
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