You have a web application leveraging an Elastic Load Balancer (ELB) In front of the web servers deployed using an Auto Scaling Group Your database is running on Relational Database Service (RDS) The application serves out technical articles and responses to them in general there are more views of an article than there are responses to the article. On occasion, an article on the site becomes extremely popular resulting in significant traffic Increases that causes the site to go down. What could you do to help alleviate the pressure on the infrastructure while maintaining availability during these events? (Choose three.)
A) Leverage CloudFront for the delivery of the articles.
B) Add RDS read-replicas for the read traffic going to your relational database
C) Leverage ElastiCache for caching the most frequently used data.
D) Use SOS to queue up the requests for the technical posts and deliver them out of the queue.
E) Use Route53 health checks to fail over to an S3 bucket for an error page.

Question

Quizplus · Accepted Answer

Leveraging CloudFront (A) can help cache and deliver articles closer to users, reducing load on the web servers. Adding RDS read-replicas (B) can help distribute read traffic, reducing load on the primary database. Using ElastiCache (C) can cache frequently accessed data, reducing database load and improving response times.

You Have a Web Application Leveraging an Elastic Load Balancer