Dell-EMC
E20-393 · Question #223
What technology is used by Dell EMC Unity Snapshots?
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Understand Dell EMC Unity Architecture and Features
Question
What technology is used by Dell EMC Unity Snapshots?
Options
- ACopy on First Write, which requires a storage resource reserved to hold original data that
- BRedirect on White, which requires no storage resource to create a Snapshot, writes are
- CCopy on First Write, which requires no storage resource is needed to create a Snapshot,
- Dredirect on Write, which requires a storage reserved to hold original data that changed to
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Topics
#Redirect on Write#snapshot technology#storage architecture