[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"cheat-sheet---en":3,"domain-info---en":3,"topic-info----en":3,"next-aws-certified-cloudops-engineer-associate-reliability-business-continuity-backup-restore-and-disaster-recovery-storage-versioning-and-replication-en":4,"prev-aws-certified-cloudops-engineer-associate-reliability-business-continuity-backup-restore-and-disaster-recovery-storage-versioning-and-replication-en":20,"lesson-aws-certified-cloudops-engineer-associate-reliability-business-continuity-backup-restore-and-disaster-recovery-storage-versioning-and-replication-en":32},null,{"locked":5,"reason":6,"meta":7,"item":3},true,"paywall",{"title":8,"description":9,"isFree":10,"estimatedMinutes":11,"difficulty":12,"learningObjectives":13},"Disaster Recovery Strategies","RTO and RPO as the numbers that pick the architecture, the four AWS disaster recovery strategies from backup and restore to multi-site active/active, the data plane rule that decides how you fail over, and why every strategy still needs backups.",false,28,"advanced",[14,15,16,17,18,19],"Define RTO and RPO precisely and use them to select a disaster recovery strategy","Compare backup and restore, pilot light, warm standby, and multi-site active/active by cost, complexity, RTO, and RPO","Explain the difference between pilot light and warm standby in terms of what must happen before traffic can be served","Apply the data plane over control plane rule when designing a failover mechanism","Select the right cross-Region data replication service for a given database or storage layer","Explain why a multi-site active/active architecture still requires point-in-time backups",{"locked":5,"reason":6,"meta":21,"item":3},{"title":22,"description":23,"isFree":10,"estimatedMinutes":11,"difficulty":24,"learningObjectives":25},"Database Restore Strategies","RDS automated backups and point-in-time recovery, manual snapshots and cross-Region copies, Aurora continuous backups, cloning and Backtrack, and DynamoDB PITR, including the settings every restore silently leaves behind.","intermediate",[26,27,28,29,30,31],"Explain how RDS combines daily snapshots with 5-minute transaction log uploads to make point-in-time recovery possible","Predict the latest restorable time for a DB instance and the data loss a restore to that point implies","Distinguish automated backups from manual snapshots by retention, deletion behavior, and quota","Choose between point-in-time recovery, snapshot restore, Aurora cloning, and Aurora Backtrack for a given recovery scenario","List what a DynamoDB restore does not carry over and why that matters to your RTO","Plan the endpoint cutover that every RDS restore requires, because a restore never replaces the source",{"locked":5,"reason":6,"meta":33,"item":3},{"title":34,"description":35,"isFree":10,"estimatedMinutes":36,"difficulty":24,"learningObjectives":37},"Storage Versioning and Replication","S3 versioning states, delete markers, and the two very different deletes; Object Lock for immutability; and S3 Replication including what it silently refuses to copy and how Batch Replication and Replication Time Control close those gaps.",26,[38,39,40,41,42,43],"Describe the three S3 versioning states and explain why versioning can never be turned back off","Predict the result of a DELETE with and without a version ID on a versioning-enabled bucket","Configure lifecycle rules that control the storage cost versioning creates","Compare S3 Object Lock retention modes and legal holds, and relate them to Backup Vault Lock","List what S3 Replication does not replicate by default and choose the feature that closes each gap","Choose between CRR, SRR, Batch Replication, and Replication Time Control for a stated requirement"]