Reliability refers to the ability of a system or application to operate continuously and consistently without interruption or failure. By deploying the application across multiple AWS Regions and configuring automatic failover, the company ensures that the application remains available even if one of the Regions or components experiences a disruption or failure.
Answer B: Reliability
Definition:
Reliability refers to the ability of a system or application to operate continuously and consistently without interruption or failure. By deploying the application across multiple AWS Regions and configuring automatic failover, the company ensures that the application remains available even if one of the Regions or components experiences a disruption or failure.
B. Reliability
"There are five design principles for reliability in the cloud:
Automatically recover from failure: By monitoring a workload for key performance indicators (KPIs), you can trigger automation when a threshold is breached. These KPIs should be a measure of business value, not of the technical aspects of the operation of the service. This allows for automatic notification and tracking of failures, and for automated recovery processes that work around or repair the failure. With more sophisticated automation, it’s possible to anticipate and remediate failures before they occur."
https://wa.aws.amazon.com/wellarchitected/2020-07-02T19-33-23/wat.pillar.reliability.en.html#:~:text=There%20are%20five,before%20they%20occur.
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