A financial services company designs its new infrastructure to enhance resilience and avoid vendor lock-in. The plan involves running its primary application on one public cloud provider and maintaining a real-time replicated backup on a different public cloud provider. Which architecture model BEST describes this strategy?
The correct answer is a multi-cloud system. This model involves using services from more than one cloud provider to distribute assets and resources, which aligns with the scenario of using two different public clouds for the primary application and its backup. A hybrid cloud system involves a mix of public and private cloud resources, which is not what is described. A cloud service brokerage is a third-party entity that manages cloud services, not the architecture model itself. Single-tenant infrastructure refers to a dedicated environment for one customer and does not describe the use of multiple providers.
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