Computer Science · Data Storage and Backup
How does a Copy-on-Write (CoW) snapshot function differently from a conventional backup system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It stores data only on external drives
- 2It runs only when the system is shut down
- 3It saves only references until data blocks are altered✓
- 4It duplicates the entire data instantly
Correct answer
It saves only references until data blocks are altered
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