Can SNS send messages to applications on mobile devices?

Yes

What’s the difference between CloudWatch Logs and CloudTrail?

CloudWatch Logs → Monitors application and system logs
CloudTrail → Tracks AWS API activity for security auditing

What is Amazon CloudWatch?

Amazon CloudWatch is a monitoring and observability service for AWS resources and applications

What are the key components of CloudWatch?

Amazon CloudWatch is a comprehensive monitoring service in AWS that helps track metrics, logs, and events for applications and infrastructure

What is PrivateLink and how is it related to Interface Endpoints?

AWS PrivateLink is a secure and private connectivity service that allows AWS VPCs to access AWS services and third-party applications without using the public internet