An IBM Cloud Multizone Region (MZR) offers a deployment architecture that spans multiple, physically separated availability zones within the same region. This configuration provides protection against a single zone failure, as applications and services can continue to operate if one zone experiences an outage.
Why MZR Provides Protection Against Single Zone Failure:Deploying applications in an MZR ensures that resources are distributed across multiple zones, each with its own independent infrastructure (power, cooling, networking). If a failure occurs in one zone, the other zones remain unaffected, thus maintaining the availability of the application.
Comparison with Other Options:
A (Reduced resiliency and availability):Incorrect; MZR increases resiliency and availability.
B (Decreased availability compared to a single zone):Incorrect; MZR offers greater availability than a single zone.
D (Lower interconnectivity speed):Incorrect; MZR is designed to provide high-speed interconnectivity between zones.
References:
IBM Cloud Multizone Regions Overview
IBM Cloud Architect Exam Study Guide
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