A solutions architect has deployed a web application across two AWS Regions using a custom domain and Amazon Route 53 with latency-based routing. Weighted record sets are associated with pairs of web servers in separate Availability Zones within each Region. During a disaster recovery scenario, when all web servers in one Region are stopped, Route 53 fails to redirect users to the other Region. What could be the underlying issues causing this failure? (Select two possible causes.) | AWS Certified Solutions Architect - Professional Quiz