Regions Availability Zones Edge locations Shared responsibility model High availability Elasticity Scalability Fault tolerance Pay-as-you-go pricing AWS global infrastructure

IAM users IAM groups IAM roles IAM policies Least privilege MFA AWS Organizations Service control policies KMS keys CloudTrail

EC2 instances AMI Instance types Security groups Auto Scaling groups Elastic Load Balancing Lambda functions ECS containers EKS overview Elastic Beanstalk

S3 buckets S3 object keys S3 versioning S3 lifecycle rules S3 encryption EBS volumes EFS file systems S3 Glacier Storage classes Presigned URLs

VPC Public subnet Private subnet Route tables Internet gateway NAT gateway Network ACLs Security group statefulness Route 53 CloudFront

RDS Aurora DynamoDB ElastiCache Redshift RDS Multi-AZ Read replicas DynamoDB partition key DynamoDB sort key Database backups

CloudWatch metrics CloudWatch logs CloudWatch alarms EventBridge SNS SQS Systems Manager CloudFormation AWS Config Cost Explorer

Well-Architected pillars Stateless web tier Multi-AZ architecture Decoupling with queues Caching strategy Serverless API Backup strategy Disaster recovery Cost optimization Tagging strategy