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

What is tiered storage and why does it matter for a file storage service?

— Tests your understanding of this concept.

Answer Options

A Multiple copies stored on different hardware

B Automatically moving files to cheaper storage classes based on access frequency to reduce cost

C Storing different file types separately

D RAID-based redundancy tiers

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

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