Book Image

AWS Certified Developer - Associate Guide - Second Edition

By : Vipul Tankariya, Bhavin Parmar
5 (2)
Book Image

AWS Certified Developer - Associate Guide - Second Edition

5 (2)
By: Vipul Tankariya, Bhavin Parmar

Overview of this book

This book will focus on the revised version of AWS Certified Developer Associate exam. The 2019 version of this exam guide includes all the recent services and offerings from Amazon that benefits developers. AWS Certified Developer - Associate Guide starts with a quick introduction to AWS and the prerequisites to get you started. Then, this book will describe about getting familiar with Identity and Access Management (IAM) along with Virtual private cloud (VPC). Next, this book will teach you about microservices, serverless architecture, security best practices, advanced deployment methods and more. Going ahead we will take you through AWS DynamoDB A NoSQL Database Service, Amazon Simple Queue Service (SQS) and CloudFormation Overview. Lastly, this book will help understand Elastic Beanstalk and will also walk you through 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 (30 chapters)
Free Chapter
1
Overview of AWS Certified Developer - Associate Certification

Summary

  • AWS SNS works based on push technology.
  • An SNS topic acts as an access point between the publisher and subscriber applications.
  • When several Amazon SQSs act as a subscriber, a publisher sends a message to an SNS topic and it distributes this topic to many SQS queues in parallel. This concept is called fanout.
  • SNS can send mobile push notifications directly to mobile applications.
  • SNS can push email and text messages to subscriber applications or users.
  • Each SNS topic can have multiple subscribers.
  • Each subscriber may use the same, or different, protocols.
  • Subscribers can receive a notification over a desired protocol as and when the publisher sends any message to the same topic.
  • SNS provides various protocols for communication (HTTP, HTTPS, email, email-JSON, Amazon SQS, application, AWS Lambda, or SMS).
  • As soon as the publisher sends a message to an SNS topic, it tries...