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Question
Hardware RAID implementations permit _________; that is, faulty disks can be removed and replaced by new ones without turning power off.
Options:
A .  Scrapping
B .  Swapping
C .  Hot swapping
D .  None of the mentioned
Answer: Option C


Hot swapping reduces the mean time to repair, since replacement of a disk does not have to wait until a time when the system can be shut down.



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