A company is building a two-tier web application to serve dynamic transaction-based content. The data tier is
leveraging an Online Transactional Processing (OLTP) database. What services should you leverage to enable
an elastic and scalable web tier?
Elastic Load Balancing, Amazon EC2, and Auto Scaling
Elastic Load Balancing, Amazon RDS with Multi-AZ, and Amazon S3
Amazon RDS with Multi-AZ and Auto Scaling
Amazon EC2, Amazon DynamoDB, and Amazon S3