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

Subscribing to an SNS topic

Each SNS topic can have multiple subscribers. Each subscriber may use the same protocols or different protocols. Copy the ARN of the recently-created SNS topic. This step-by-step guide requires you to subscribe to a topic. Subscribers can receive a notification for a desired protocol as and when the publisher sends any message to the same topic. The steps for subscribing to an SNS topic are as follows:

  1. Go to the SNS dashboard and select Subscriptions, as shown in Figure 13.9:
Figure 13.9: SNS dashboard; select subscriptions
  1. Click on Create subscription, as shown in Figure 13.10:
Figure 13.10: Create subscription
  1. A popup will appear, as shown in Figure 13.11. Provide a valid Topic ARN, Protocol, and Endpoint. Finally, click on Create subscription:
Figure 13.11: Create subscription

The fields in the preceding screenshot are explained as follows...