Disk striping needs at least how many disks?
A: 1
B: 2
C: 3
D: 4

CISSP Certification 2018 Domain 7: Security Operations
Source: https://thorteaches.com/ daily CISSP practice exam questions for the 2018 CISSP exam version.

ANSWER


B: Disk striping: Writing the data simultaneously across multiple disks providing higher write speed. Uses at least 2 disks, and in it self does not provide redundancy. We use parity with striping for the redundancy, often by XOR, if we use parity for redundancy we need at least 3 disks.

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