A company uses an Application Load Balancer (ALB) to provide access to a multi-tenant web application for 25 customers. The company creates a unique hostname for each customer to use to access the application. Hostnames use the format customer-name.example.com. Each customer has a dedicated group of Amazon EC2 instances that run their own version of the web application. When a customer visits customer- name.example.com, the ALB should route the request to the correct group of EC2 instances. The company requires a highly available solution that is easy to maintain. Which solution meets these requirements at the LOWEST cost?
Select one answer.
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