1Z0-053

多项选择题

You performed the RMAN database backup with the KEEP option. Which two statements are true regarding this backup？（）

A. The backup contains data files， the server parameter file，and the control file even if the control file autobackup is disabled.
B. The KEEP option overrides the configured retention policy.
C. The backup contains only data files and archived redo log files.
D. The KEEP option is an attribute of an individual backup piece.

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单项选择题

You are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA， a big file tablespace of size 100 TB on tape drive， but you have tapedrives of only 10 GB each.
Which method would accomplish the task quickly and efficiently？（）

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C. parallel backup with MAXPIECESIZE configured for the channe
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Whicharetheprerequisitesforperformingflashbacktransacti...

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C. Supplemental log must be enabled.
D. Execute permission on the DBMS_FLASHBACK package must be granted to the user.

You are managing an Oracle Database 11g database with A...

多项选择题

You are managing an Oracle Database 11g database with ASM storage. The ASM disk group has the COMPATIBLE.ASM attribute set to 11.1.
Which statements are true regarding extent management and allocation units in the ASM disk group？（）

A. The au_size disk group attribute determines the size of allocation units in the disk group.
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C. The allocation unit size and extent size are fixed for all the disks in a disk group and cannot be changed.
D. Extent management is completely automated.

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