第107题-OCP认证062考试题库2019最新考题解析

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2018年的时候，OCP 11g考试题库大更新，052 053出现了很多新题，

2019年，11g即将停考的前期，Oracle又出现了一次大变动，12c出现了很多新题，比如062 063题库大更新

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QUESTION 107

A redaction policy was added to the SAL column of t he SCOTT.EMP table:

BEGIN

DBMS_REDACT.ADD_POLICY(

object_schema => 'SCOTT',

object_name => 'EMP',

column_name => 'SAL',

policy_name => 'SCOTT_EMP',

function_type => DBMS_REDACT.FULL,

expression => 'SYS_CONTEXT(''SYS_SESSION_ROLES'',''MGR'')

= ''FALSE''');

END;

All users have their default set of system privileges.

For which three situations will data not be redacted?

A. SYS sessions, regardless of the roles that are set in t he session

B. SYSTEM sessions, regardless of the roles that are set in t he session

C. SCOTT sessions, only if t he MGR role is set in t he session

D. SCOTT sessions, only if t he MGR role is granted to SCOTT

E. SCOTT sessions, because he is the owner of the table

F. SYSTEM session, only if t he MGR role is set in t he session

Correct Answer: ABC

(解析：不能对 sys 和 system 用户进行数据的 redact。因为他们都有

EXP_FULL_DATABASE 这个角色,而这个角色又包含了 EXEMPT REDACTION POLICY 系

统权限。同理，也不能直接赋予用户 DBA 权限，DBA 自动包含 EXP_FULL_DATABASE 角

色。)