A Solutions Architect Is Designing the Architecture for a New

A Solutions Architect is designing the architecture for a new three-tier web-based e-commerce site that must be available 24/7. Requests are expected to range from 100 to 10,000 each minute. Usage can vary depending on time of day, holidays, and promotions. The design should be able to handle these volumes, with the ability to handle higher volumes if necessary. How should the Architect design the architecture to ensure the web tier is cost-optimized and can handle the expected traffic? (Choose two.)

A) Launch Amazon EC2 instances in an Auto Scaling group behind an ELB.
B) Store all static files in a multi-AZ Amazon Aurora database.
C) Create an CloudFront distribution pointing to static content in Amazon S3.
D) Use Amazon Route 53 to route traffic to the correct region.
E) Use Amazon S3 multi-part uploads to improve upload times.