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Question 1 of 65
You are architecting a web application that will be backed by a relational database. The application will be read-heavy, and database queries will be computationally intensive. How can you improve overall application response for users?
AUse ElastiCache to store critical pieces of data in memory for low-latency access.
BUse Amazon SQS to distribute messages among workers that are less busy
CUse an Auto Scaling group and ELB Classic Load Balancer for the application tier.
DUse Data Pipeline to replicate your relational data across all of your web tier nodes