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| 파일 차등 백업 (A backup of one or more files containing only changes made to each file since its most recent file backup. A file differential backup requires a full file backup as a base) | |||
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| 파일 차등 백업 (A backup of one or more files containing only changes made to each file since its most recent file backup. A file differential backup requires a full file backup as a base) | |||
