單項選擇題

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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多項選擇題

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.

單項選擇題

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.

Which phrase best describes RMAN multiplexed backup sets？（）

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

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

Which phrase best describes RMAN multiplexed backup sets？（）

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

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