IBM Exam C1000-172 Topic 1 Question 4 Discussion

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.

IBM Cloud Multizone Regions Overview

IBM Cloud Architect Exam Study Guide