n IBM Cloud, local resiliency refers to maintaining high availability within a single region — specifically by using multiple availability zones (AZs) inside that region.
Each zone has its own independent power, cooling, and networking infrastructure, ensuring that if one zone fails, workloads in another zone remain unaffected.
Option breakdown:
A. Ability to withstand physical events such as natural disasters… ❌
That describes regional resiliency or geo-resiliency, not local resiliency.
B. Maintaining multiple copies of data across geographically dispersed sites… ❌
This refers to cross-region or geo-redundant resiliency — not local.
C. Regularly testing and validating effectiveness… ❌
That describes resiliency testing or disaster recovery validation, not the concept itself.
D. Using a separate zone within a region that has independent power supply, cooling, and networking ✅
This is the definition of local resiliency — achieved by using multiple availability zones in one region.
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Malex68
1 month ago