A business is in the process of architecting a solution for critical operations and needs to ensure that the system remains operational even in the event of a data center outage. What would be the best architectural practice when deploying this solution to meet their requirement?
Deploying the solution across multiple geographically-distanced facilities provides redundancy against individual facility failure
Choosing any location with abundant computing resources ensures the system's continued operations during a local outage
Relying on virtualization technologies alone provides inherent high availability without the need for physical separation
Centralizing all solution components in one facility ensures optimized performance and less complexity
Availability Zones offer isolated environments within a region. Each of them operates independently with its own power, cooling, and networking to insulate from failures of other zones. By utilizing more than one Availability Zone, a system can withstand the failure of a single data center, as other zones continue to keep the application running. This method aligns with the best practices for achieving high availability.
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