Book Image

AWS Certified Developer - Associate Guide

By : Vipul Tankariya, Bhavin Parmar
Book Image

AWS Certified Developer - Associate Guide

By: Vipul Tankariya, Bhavin Parmar

Overview of this book

AWS Certified Developer - Associate Guide starts with a quick introduction to AWS and the prerequisites to get you started. Then, this book gives you a fair understanding of core AWS services and basic architecture. Next, this book will describe about getting familiar with Identity and Access Management (IAM) along with Virtual private cloud (VPC). Moving ahead you will learn about Elastic Compute cloud (EC2) and handling application traffic with Elastic Load Balancing (ELB). Going ahead you we will talk about Monitoring with CloudWatch, Simple storage service (S3) and Glacier and CloudFront along with other AWS storage options. Next we will take you through AWS DynamoDB – A NoSQL Database Service, Amazon Simple Queue Service (SQS) and CloudFormation Overview. Finally, this book covers understanding Elastic Beanstalk and overview of AWS lambda. At the end of this book, we will cover enough topics, tips and tricks along with mock tests for you to be able to pass the AWS Certified Developer - Associate exam and develop as well as manage your applications on the AWS platform.
Table of Contents (29 chapters)
Title Page
Credits
About the Author
Acknowledgments
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Dedication
Preface
Index

Requester Pay model


Generally, when you create a bucket in S3, you pay for data storage and data transfer. Based on your usage, charges are added to the AWS account associated with the bucket. Amazon provides an option in which you can configure your bucket as Requester Pays bucket. When you configure a bucket as a Requester Pays bucket, the requester pays for the requests they initiate to download or upload data in the bucket. You just pay for the cost of the data you store in S3:

  • You can enable Requester Pays on a bucket when you want to share the data, but do not want to get charged for the requests received, data downloads, or upload operations
  • When you enable Requester Pays, AWS does not allow you to enable anonymous access on the bucket
  • All requests to Requester Pays buckets must be authenticated; when you enable authentication, S3 can identify requesters and charge them for their respective usage of the bucket
  • If a system or application makes requests by assuming an IAM role, AWS charges...