第56題-OCP認證062考試題庫2019最新考題解析
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我要咨詢2018年的時候,OCP 11g考試題庫大更新,052 053出現了很多新題,
2019年,11g即將停考的前期,Oracle又出現了一次大變動,12c出現了很多新題,比如062 063題庫大更新
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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:這道題的考點在于 threaded_execution 參數的設置,如果是 false 的話,跟原來的登錄方式一樣。
D 答案的意思是可以通過sqlplus ‘/as sysdba’ 本地 方式連接;在oracle 12c中,有一個關于多線程的參數:threaded_execution,默認為false。啟用的話,將其設置為true。啟用之后,有如下變化:1、后臺進程數變少;2. 必須網絡登錄,不能本地驗證;3.listener相關修改:
當threaded_execution這個字被設置成true后,在listener.ora文件中,需要加上DEDICATED_THROUGH_BROKER_[listener-name]=ON。
)