WHAT IS AMZON WEB SERIVE (AWS)?

AWS Architecture and different models of Cloud Computing
Compute Services: Amazon EC2, Auto Scaling and Load Balancing, AWS Lambda, Elastic Beanstal Amazon Storage Services : EBS, S3 AWS, Glacier, CloudFront, Snowball, Storage Gateway
Database Services: RDS, DynamoDB, ElastiCache, RedShift. Security and Identity Services: IAM, KMS Networking Services: Amazon VPC, Route 53, Direct Connect
Management Tools: CloudTrail, CloudWatch, CloudFormation, OpsWorks, Trusty Advisor
Application Services: SES, SNS, SQS