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單項(xiàng)選擇題

As a result of a media failure， the current online redo log group is corrupted. The database crashes， as the current online group is inaccessible. Which type of incomplete recovery are you most likely to perform？（）

A.Cancel-based
B.Recovery using a backup control file
C.Time-based
D.Change-based

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單項(xiàng)選擇題

Which Oracle background process is responsible for providing information about the instance name associated with the service handlers and services to the listener？（）

A.PMON
B.SMON
C.LGWR
D.CKRT

單項(xiàng)選擇題

Which of the following options enables a user to get authenticated though a single password instead of using multiple passwords？（）

A.Wallet Manager
B.Radius
C.Oracle Internet Directory
D.None of the above