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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.

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出自：Oracle认证

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