AWS offers a vast array of services across various domains like compute, storage, networking, databases, security, and more. Begin by learning about core services like Amazon EC2 (Elastic Compute Cloud), Amazon S3 (Simple Storage Service), Amazon RDS (Relational Database Service), and Amazon VPC (Virtual Private Cloud). As you progress, you can delve into other services based on your specific interests and requirements.
AWS architecture: Get familiar with the architecture of AWS and how its services work together. Learn about regions, availability zones, and the global infrastructure. Understand concepts like Amazon CloudFront for content delivery, Amazon Route 53 for DNS management, and AWS Identity and Access Management (IAM) for user permissions and security.