CV0-002 · Question #520
A systems administrator needs to deploy a database that saves a unique ID/hash at the beginning of each block into a private cloud. The administrator needs to maximize storage savings. The administrat
The correct answer is B. Deduplication enabled. To maximize storage savings for a database that saves a unique ID/hash at the beginning of each block, enabling deduplication is the best option.
Question
A systems administrator needs to deploy a database that saves a unique ID/hash at the beginning of each block into a private cloud. The administrator needs to maximize storage savings. The administrator has multiple storage policies set. Which of the following would be the BEST option for this deployment?
Options
- ACompression enabled
- BDeduplication enabled
- CMirroring enabled
- DTokenization enabled
How the community answered
(57 responses)- A7% (4)
- B77% (44)
- C4% (2)
- D12% (7)
Why each option
To maximize storage savings for a database that saves a unique ID/hash at the beginning of each block, enabling deduplication is the best option.
Compression reduces the size of individual blocks but does not eliminate redundant copies of entire blocks across the storage, making it less effective for widespread data duplication than deduplication.
Deduplication efficiently identifies and eliminates redundant data blocks, storing only one unique copy and replacing duplicates with pointers, which is highly effective for maximizing storage savings in scenarios where many data blocks may have identical content despite a small unique identifier.
Mirroring creates redundant copies of data for fault tolerance and availability, which increases storage consumption rather than providing savings.
Tokenization is a security measure that replaces sensitive data with non-sensitive substitutes and does not directly contribute to storage optimization or savings.
Concept tested: Storage optimization techniques (deduplication)
Source: https://learn.microsoft.com/en-us/windows-server/storage/data-deduplication/overview
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