Hard Design: File Storage System (Google Drive/Dropbox)

What strategy does Dropbox use for conflict resolution when two users edit the same file simultaneously?

— Tests your understanding of this concept.

Answer Options

A Operational Transform — merges changes automatically

B Conflict copy — keeps both versions, user resolves manually

C Last-Write-Wins — higher timestamp overwrites

D Locks — prevents concurrent edits

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This question is from the Design: File Storage System (Google Drive/Dropbox) topic (System Design Cases).

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