SAP-C02 · Question #35
An online e-commerce business is running a workload on AWS. The application architecture includes a web tier, an application tier for business logic, and a database tier for user and transactional…
The correct answer is C. Use a scaled-down version of the fully functional production environment in the alternate region. As RTO is in minutes https://docs.aws.amazon.com/wellarchitected/latest/reliability-pillar/plan-for-disaster-recovery- Warm standby (RPO in seconds, RTO in minutes): Maintain a scaled-down version of a fully functional environment always running in the DR Region…
Question
An online e-commerce business is running a workload on AWS. The application architecture includes a web tier, an application tier for business logic, and a database tier for user and transactional data management. The database server has a 100 GB memory requirement. The business requires cost-efficient disaster recovery for the application with an RTO of 5 minutes and an RPO of 1 hour. The business also has a regulatory requirement for out-of-region disaster recovery with a minimum distance between the primary and alternate sites of 250 miles. Which of the following options can the solutions architect design to create a comprehensive solution for this customer that meets the disaster recovery requirements?
Options
- ABack up the application and database data frequently and copy them to Amazon S3. Replicate
- BEmploy a pilot light environment in which the primary database is configured with mirroring to
- CUse a scaled-down version of the fully functional production environment in the alternate region
- DEmploy a multi-region solution with fully functional web. application, and database tiers in both
How the community answered
(15 responses)- A7% (1)
- B27% (4)
- C47% (7)
- D20% (3)
Explanation
As RTO is in minutes https://docs.aws.amazon.com/wellarchitected/latest/reliability-pillar/plan-for-disaster-recovery- Warm standby (RPO in seconds, RTO in minutes): Maintain a scaled-down version of a fully functional environment always running in the DR Region. Business-critical systems are fully duplicated and are always on, but with a scaled down fleet. When the time comes for recovery, the system is scaled up quickly to handle the production load.
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