第56题-OCP认证062考试题库2019最新考题解析
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我要咨询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 56
An administrator account is granted the CREATE SESSION and SET CONTAINER system privileges.
A multitenant container database (CDB) instant has the following parameter set:
THREADED_EXECUTION = FALSE
Which four statements are true about this administrator establishing connections to root in a CDB that has been opened in read only mode?
A. You can conned as a common user by using the connect statement.
B. You can connect as a local user by using the connect statement.
C. You can connect by using easy connect.
D. You can connect by using OS authentication.
E. You can connect by using a Net Service name.
F. You can connect as a local user by using the SET CONTAINER statement.
Correct Answer: CDEF
Section: (none) Explanation:
(解析:这道题的考点在于 threaded_execution 参数的设置,如果是 false 的话,跟原来的登录方式一样。
D 答案的意思是可以通过sqlplus ‘/as sysDBA’ 本地 方式连接;在Oracle 12c中,有一个关于多线程的参数:threaded_execution,默认为false。启用的话,将其设置为true。启用之后,有如下变化:1、后台进程数变少;2. 必须网络登录,不能本地验证;3.listener相关修改:
当threaded_execution这个字被设置成true后,在listener.ora文件中,需要加上DEDICATED_THROUGH_BROKER_[listener-name]=ON。
)