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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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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
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backup set onlyB
image copy onlyC
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parallel backup with MAXPIECESIZE configured for the channelD
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