ITPEC IP October 2021 Question 14
ITPEC IP October 2021 — Question 14 of 100
Mirroring keeps the same data on both HDDs, so the data remains available when either one fails. Each disk holds a complete copy; the surviving disk can therefore continue serving the stored data. This is the basic redundancy of RAID 1.
Answer (d)
Why not others:
- striping divides data across disks and normally requires both disks to reconstruct all data
- data mining analyzes data and is not a disk configuration
- tethering shares a network connection and is unrelated to storage redundancy
Key rule: Mirroring provides availability by maintaining duplicate copies of the same data on separate drives.
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