Crucial Exams

AWS Certified Solutions Architect Professional SAP-C02 Practice Question

A company runs an e-commerce application behind identical Application Load Balancers (ALBs) in us-east-1 and eu-west-1. The architecture follows a warm-standby disaster-recovery model: roughly 95 % of customer traffic must go to us-east-1, 5 % must go to eu-west-1 for ongoing readiness tests, and all traffic must fail over automatically to eu-west-1 if the us-east-1 ALB or its target groups become unhealthy. No client-side changes are acceptable when failover occurs.

Which Amazon Route 53 configuration meets these requirements with the least operational effort?

  • Configure a multi-value answer record set that contains both ALB DNS names and health checks so clients are routed evenly to any healthy endpoint.

  • Create two weighted alias records that point to the regional ALBs, assign weights of 95 and 5, and enable Evaluate Target Health on both records.

  • Use two latency-based alias records with health checks on each ALB so Route 53 sends traffic to the lowest-latency healthy Region.

  • Create a primary and secondary failover alias record set, attach health checks to both, and manually adjust the weights to 95 and 5 during standby testing.

AWS Certified Solutions Architect Professional SAP-C02
Design for New Solutions
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