多项选择题

Which three initialization parameters are no longer needed when FAST_START_MTTR_TARGET is defined？（）

A.TARGET_REDO_BLKS
B.FAST_START_IO_TARGET
C.LOG_CHECKPOINT_TIMEOUT
D.RECOVERY_ESTIMATED_IOS
E.LOG_FILE_SIZE_REDO_BLKS
F.LOG_CHECKPOINT_INTERVAL

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多项选择题

You plan to take a closed database backup using operating system commands. Which three SHUTDOWN options are appropriate for this type of backup？（）

A.ABORT
B.NORMAL
C.IMMEDIATE
D.TRANSACTIONAL

单项选择题

Which modifier is used to change listener parameters in the Listener Control utility environment？（）

A.SET
B.ALTER
C.CHANGE
D.UPDATE

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.