单项选择题

Which phrase best describes RMAN multiplexed backup sets？（）

A.Stripes a single backup set across multiple channels.
B.Identical copies of backup pieces within a backup set.
C.Multiple backup sets with multiple channels configured.
D.Simultaneous reads from multiple files and writes into the same backup piece.

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多项选择题

Which three features are provided by Oracle Net Services？（）

A.Data encryption.
B.User authentication.
C.Transparent data conversion
D.Configuration and administration mechanisms.
E.Support for multiple network transport protocols.

单项选择题

When you are performing media recover， and an archived log is lost or corrupt， which type of recover must you perform？（）

A.Until SCN
B.Until time
C.Until cancel
D.Recover using backup control file.

多项选择题

Which two roles or privileges must you have to export tables owned by another user？（）

A.CREATE USER
B.CREATE SESSION
C.CREATE ANY TABLE
D.IMP_FULL_DATABASE
E.EXP_FULL_DATABASE