You are designing Internet connectivity for your VPC. The Web servers must be available on the Internet.

The application must have a highly available architecture.

Which alternatives should you consider? (Choose 2)

A. Configure a NAT instance in your VPC. Create a default route via the NAT instance and associate it with all subnets. Configure a DNS A record that points to the NAT instance public IP address.

B. Configure a CloudFront distribution and configure the origin to point to the private IP addresses of your Web servers. Configure a Route53 CNAME record to your CloudFront distribution.

C. Place all your web servers behind ELB. Configure a Route53 CNMIE to point to the ELB DNS name.

D. Assign EIPs to all web servers. Configure a Route53 record set with all EIPs, with health checks and DNS failover.

E. Configure ELB with an EIP. Place all your Web servers behind ELB. Configure a Route53 A record that points to the EIP.