Multiple choice technology architecture

Which hardware component is redundant in a RAID solution ?

  1. Cooling fan

  2. Hard drive

  3. Network interface card

  4. Processor
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B Correct answer
Explanation

In RAID (Redundant Array of Independent Disks), multiple hard drives work together to provide performance improvements and/or redundancy. The hard drives themselves are the redundant component - data is spread across them so that if one fails, data can be reconstructed from the others. Processors, NICs, and fans can be redundant in other contexts but are not core to RAID.

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