A company plans to use an Amazon VPC to deploy a web application consisting of an elastic load balancer, a fleet of web and application servers, and an Amazon RDS MySQL database that should not be accessible from the Internet. The proposed design must be highly available and distributed over two Availability Zones.

Two public subnets for the elastic load balancer, two public subnets for the web servers, and two public subnets for Amazon RDS.

One public subnet for the elastic load balancer, two private subnets for the web servers, and two private subnets for Amazon RDS.

One public subnet for the elastic load balancer, one public subnet for the web servers, and one private subnet for the database.

Two public subnets for the elastic load balancer, two private subnets for the web servers, and two private subnets for RDS.