You Are Designing Internet Connectivity for Your VPC

Multiple Choice

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.