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WGU (JY02) Managing Cloud Security Exam - Topic 4 Question 5 Discussion
Topic #: 4
In most redundant array of independent disks (RAID) configurations, data is stored across different disks. Which method of storing data is described?
The method described is striping, which is a technique used in RAID configurations to improve performance and distribute risk. Striping involves splitting data into smaller segments and writing those segments across multiple disks simultaneously. For example, if a file is divided into four parts, each part is written to a separate disk in the RAID array.
This parallelism enhances input/output (I/O) performance because multiple drives can be accessed at once. It also provides resilience depending on the RAID level. While striping by itself (RAID 0) increases performance but not redundancy, when combined with mirroring or parity (e.g., RAID 5 or RAID 10), it offers both speed and fault tolerance.
The purpose of striping in the data management context is to optimize how data is stored, accessed, and protected. It is fundamentally different from archiving, mapping, or crypto-shredding, as those serve different objectives (long-term storage, logical placement, or secure deletion). Striping is central to high-performance storage systems and supports availability in mission-critical environments.
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