SG0-001 · Question #96
Which of the following would benefit the MOST from deduplication?
The correct answer is B. Virtualized servers. Deduplication achieves the greatest storage savings on datasets with high redundancy, where many identical blocks of data exist.
Question
Which of the following would benefit the MOST from deduplication?
Options
- ADatabase
- BVirtualized servers
- CCompressed videos
- DCompressed photos
How the community answered
(26 responses)- A8% (2)
- B88% (23)
- D4% (1)
Why each option
Deduplication achieves the greatest storage savings on datasets with high redundancy, where many identical blocks of data exist.
Databases often contain unique, frequently changing data blocks, which generally have low redundancy and therefore do not benefit significantly from block-level deduplication.
Virtualized servers (and VDI environments) typically benefit the most from deduplication because multiple virtual machines often share identical operating system files, application binaries, and libraries. This high degree of common data across many instances allows deduplication to achieve significant storage savings by storing only one unique copy of these shared data blocks.
Compressed videos are already highly optimized and have very little redundant data at the block level due to prior compression, making them poor candidates for further space savings through deduplication.
Compressed photos, similar to compressed videos, have already undergone compression, which reduces redundancy, meaning deduplication offers minimal additional storage savings.
Concept tested: Data deduplication benefits and use cases
Source: https://learn.microsoft.com/en-us/windows-server/storage/data-deduplication/overview
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