通过使用与中断有关的服务水平协议 (SLA) 来调整备份策略以提供更快的恢复，这些工具能够缩短备份和修复时间。

These tools have the capability to reduce time to back up and recover by aligning backup strategies with outage-related service level agreements (SLAs) to provide faster recovery.

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通过使用常规的完整备份(换句话说，包括所有的文件)和增量(diff)备份(其中仅备份变更的内容)，您可以进一步延长其保留时间。

By using a regular full backup (in other words, all the files) and a diff backup where you backup only changes, you can extend the duration still further.

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