What is DynamoDB Accelerator (DAX)?

Amazon DAX (DynamoDB Accelerator) is a fully managed in-memory caching service for Amazon DynamoDB that helps improve read performance from milliseconds to microseconds — up to 10x faster for read-heavy applications

What is the role of SSM Agent?

The SSM Agent is a lightweight software component that runs on your managed instances. It allows AWS Systems Manager to securely communicate with the instance and execute tasks

How does Route 53 integrate with ELB?

What is EBS Snapshots and how do incremental snapshots work?

How does S3 handle object deletion with versioning enabled?