A web application uses several EC2 instances and receives variable traffic. Which TWO capabilities are correctly matched to their AWS services? Select TWO.

1. A load balancer makes every target immune to failure.
2. Elastic Load Balancing automatically replaces the application with a managed SQL database.
3. Elastic Load Balancing distributes incoming traffic across configured healthy targets.
4. Amazon EC2 Auto Scaling can adjust the number of instances according to configured policies.
5. Amazon EC2 Auto Scaling serves as the authoritative DNS registrar for the domain.