AWS Certified SysOps Administrator SOA-C01 – Question571

An administrator is responding to an alarm that reports increased application latency. Upon review, the Administrator notices that the Amazon RDS Aurora database frequently runs at 100% CPU utilization. The application is read heavy and does frequent lookups of a product table.
What should the Administrator do to reduce the application latency?

A.
Move the product table to Amazon Redshift and use an interleaved sort key
B. Add Aurora Replicas and use a Reader Endpoint for product table lookups
C. Move the product table to Amazon CloudFront and set the cache-control headers to public
D. Use Auto Scaling to add extra Aurora nodes and set a trigger based on CPU utilization

Correct Answer: B