Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（） <br>A: Differential incremental backup<br>B: Different incremental backup<br>C: Cumulative backup<br>D: Cumulative incremental backup

Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（）
A: Differential incremental backup
B: Different incremental backup
C: Cumulative backup
D: Cumulative incremental backup

出自：Oracle认证

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