AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A company wants to ensure that their critical application remains operational in the event of a disaster that affects an entire region. Which approach should they take to achieve this requirement?
Deploy the application across multiple Availability Zones within a single region.
Use a single region with auto-scaling groups configured for high availability.
Deploy the application across multiple regions.
Use an Elastic Load Balancer in a single region to distribute traffic across instances.
To ensure that an application remains operational during a regional disaster, the company should deploy the application in multiple regions. By doing so, if one region becomes unavailable due to a disaster or other unexpected events, the application can still serve its users from another region with minimal disruption. Hosting in multiple Availability Zones within the same region does not protect against regional disasters since all those zones could potentially be affected.
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