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单选题
You want to perform a backup of your database to tape. Which backup format can you use？（）
A
backup set only
B
image copy only
C
only user-managed backup
D
both image copy and backup set
E
only incremental image copy backup
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parallel image copy backup B
backup with MAXPIECESIZE configured for the channel C
parallel backup with MAXPIECESIZE configured for the channel D
intrafile parallel backup
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单选题According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）A
The backup is similar to image copy.B
The backup contains all used data blocks.C
The backup contains only unused data blocks.D
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backup set onlyB
image copy onlyC
only user-managed backupD
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The backup is similar to image copy.B
The backup contains all used data blocks.C
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parallel image copy backupB
backup with MAXPIECESIZE configured for the channelC
parallel backup with MAXPIECESIZE configured for the channelD
intrafile parallel backup
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