NetApp snapshot's use which of the following technologies?
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Copy-on-write
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Redirect-on-write
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WAFL specific snapshot
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EXT2 snapshot technology
C
Correct answer
Explanation
NetApp's WAFL file system implements a proprietary snapshot mechanism optimized for its Write Anywhere File Layout. While copy-on-write (A) is a general technique, NetApp snapshots specifically use WAFL's integrated snapshot technology. Option C is most specific to NetApp architecture.