SG0-001 · Question #199
Which of the following describes a scenario in which less frequently accessed data is reported for potential data migrations?
The correct answer is C. Storage tiering. This question describes a scenario where data is categorized and potentially moved based on how frequently it is accessed.
Question
Which of the following describes a scenario in which less frequently accessed data is reported for potential data migrations?
Options
- ADisk defragmentation
- BPartition alignment
- CStorage tiering
- DWide striping
How the community answered
(23 responses)- A4% (1)
- C96% (22)
Why each option
This question describes a scenario where data is categorized and potentially moved based on how frequently it is accessed.
Disk defragmentation reorganizes data on a disk to improve access speed by reducing fragmentation, but it does not involve migrating data based on access frequency or across different storage types.
Partition alignment ensures that disk partition boundaries are correctly aligned with the underlying physical storage blocks, which improves performance but is unrelated to data migration based on access patterns.
Storage tiering is the practice of categorizing and moving data to different storage media (tiers) based on its access frequency, performance requirements, and cost. Less frequently accessed data is identified as 'cold data' and reported for migration to lower-cost, higher-capacity storage tiers, optimizing resource utilization.
Wide striping distributes data across multiple disks within a storage array to improve I/O performance and capacity, but it does not involve classifying and migrating data based on its access frequency.
Concept tested: Storage tiering principles
Source: https://learn.microsoft.com/en-us/windows-server/storage/storage-spaces/understand-cache
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