You are configuring load balancing for a standard three-tier (web, application, and database) application. You have configured an external HTTP(S) load balancer for the web servers. You need to configure load balancing for the application tier of servers. What should you do?

A. Configure a forwarding rule on the existing load balancer for the application tier. B. Configure equal cost multi-path routing on the application servers. C. Configure a new internal HTTP(S) load balancer for the application tier. D. Configure a URL map on the existing load balancer to route traffic to the application tier.