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单项选择题A company has a policy that states that all servers will be fully backed up on the weekend.Additionally, all changed items will be backed up each night. In the event of a server failure, the administrator wants to be able to fully recover the system using two restore jobs. Which of the following backup levels should be used nightly?()

A、Incremental

B、Normal

C、Differential

D、Full

  • C
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