SAA-C03 - Design Resilient Architectures - Section 2.6

Select disaster recovery strategies such as backup and restore, pilot light, warm standby and multi-site to meet RTO and RPO targets.

Compare the four AWS disaster recovery strategies - backup and restore, pilot light, warm standby, and multi-site active/active - on recovery time objective and recovery point objective, noting that lower RTO and RPO demand higher standing infrastructure cost. Choose a strategy that fits the tolerable downtime and data-loss window, and recognise which AWS services support each approach.

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