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

What hash function is used for block-level deduplication fingerprinting?

— Tests your understanding of this concept.

Answer Options

A MD5 (fast, weak)

B SHA-256 (secure, no practical collisions)

C CRC32 (fast, error detection)

D BLAKE3 (fastest secure hash)

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

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