A solutions architect needs to define a reference architecture for a solution for three-tier applications with web, application, and NoSQL data layers. The reference architecture must meet the following requirements:
• High availability within an AWS Region
• Able to fail over in 1 minute to another AWS Region for disaster recovery
• Provide the most efficient solution while minimizing the impact on the user experience Which combination of steps will meet these requirements? (Choose three.)
Select 3 answers.
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